NAS8702-5 Close Tolerance Bolt length: 0.635", grip: 0.312", thread: 8-32, reduced head, close tolerance, short thread, philips recess, cadmium plated alloy steel NAS8702-4 Close Tolerance Bolt Show. AN174-33 CLOSE TOLERANCE BOLT - 1/4 X 3-13/32 INCH $18.00. Definition Close Tolerance Bolt An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. is used in automotive applications as an adjustment for 4 wheel alignments. NAS close tolerance bolt. AISC's tolerances are too restrictive for standard anchor-bolt placement techniques. close tolerance bolt ~ length:1-1/32" ~ thread:10-32 ~ material:cadmium plated steelcross reference .. An expansion on medical silicone tube extrusion capabilities, the new systems provide in-line close tolerance cutting of silicone tubing directly from the extrusion machine as well as in-line spooling and cut-to-length from a spool. Close Tolerance Bolts Part AN174-31; Part Number AN174-31 Close Tolerance Bolt SKU: 5306001510323. A bolt with an 'X' inside a triangle on the head is classified as an. National Aerospace Standard NAS8703-4 Screw - Close Tolerance Bolt - Visit and view our entire More Ways to Shop! 5306-01-320-0452. a bolt with a single line on the head is. For nut threads there are two tolerance positions, H with a zero fundamental deviation (distance of the tolerance position from the basic size) and G with a positive fundamental deviation. DHS1432-13EE | CLOSE TOLERANCE BOLT : Quality parts for Beechcraft, Cessna and Hawker aircraft with same day shipping and worldwide distribution centers 5306-00-550-3406. As the bolt extends through the cover while tilted as much as the tolerance of position will allow, there is a conflict between the bolt and the side of the clearance hole in the cover. View Less. Units given in inches. For example: H7 (hole, tapped hole, or nut) and h7 (shaft or bolt). A blind fastener described as external sleeve and internally threaded would be. AN173-34A 10-32 x 3.531" Close Tolerance Bolts AN173-34A This item is currently out of stock! Bolt is made of steel comp 8740, or 8630, or 8735, or 4140, or 4130, or 4037. The tolerance position is the distance of the tolerance from the basic size of the thread profile. BOLT - SHEAR, CLOSE TOLERANCE A description is not available for this item. These size charts do not compensate position or other GD&T location tolerances. add to compare. - Large variation may affect the functionality of the part - Small variation will effect the cost of the part • requires precise manufacturing. Add To Cart. Add to Compare. 0.1. Below the head of the bolt but before the shank there is a flan. Thread . Add to Wishlist. Part. Class III Medium Fit Tolerance Chart for Holes and Bolts per McDonald Douglas Design Guide "Machining Tolerances". NIL. For typical aerospace steel bolts (standard or close tolerance) having bolt ultimate shear strength 620 MPa or greater, in aluminum plates roughly as thick as the bolt nominal diameter or thinner, the following maximum bolt hole diameter is adequate to transmit high shear load in primary, major frame member connections. Product Details | CLOSE TOLERANCE BOLT. Monroe Aerospace has 1000's of different NAS Bolts in stock and ready to ship for your needs. Tensile strength of grade 8 bolts and gr 8 bolts proof load An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. The 5g indicates the tolerance class for the pitch diameter and 6g is the tolerance class for the major diameter. Option A. NAS standard aircraft bolt. Close Tolerance Bolts. Manufactured to Revision 20 (April, 1990) of the military specification. Impedance bolts have either spring-loaded balls, or a spring ring in a groove on the bolt shank, above the threads. Option C. a jo bolt. The standard bolts used in aircraft construction are AN3 through AN20. NAS close tolerance bolts are classified are machined more accurately than a general-purpose boat. Aircraft bolts are usually manufactured with a. AN corrosion resistant steel bolt. AN174-33 CLOSE TOLERANCE BOLT - 1/4 X 3-13/32 INCH $18.00. Plated head and thread. close tolerance bolt ~ length:1.876" ~ thread:5/16-24 ~ material:cadmium plated alloy steel ~ head:hex head. a jo bolt. AN173-12 CLOSE TOLERANCE BOLT - 3/16 X 1-9/32 INCH $1.87. AN corrosion resistant standard steel bolt. The difference between a gr8 bolt and gr8 hex cap screw is technically "tolerance", in which hex cap screws have a tighter tolerance. Close Tolerance: These are very crucial dimension which needs utmost effort and usually tolerances below +or - 1mm shall be considered as close tolerance. Quick Shop. High strength black bolts (grade 8.8) may also be used in connections in which the bolts are tightened snug fit. cross reference part numbers (per national stock number database): Same as A30. Close tolerance bolts may be hex headed (AN-173 through AN-186) or have a 100° countersunk head (NAS-80 through NAS-86). AN173-20A CLOSE TOLERANCE BOLT - 3/16 X 2-1/32 INCH $5.42. For bolt threads there are four tolerance positions, h has . On the left, the tolerance cylinder is inside the part. Figure 2 shows two acceptable ways to dimension and tolerance a part. AS2504 BA/BSF Close Tolerance Bolts. . items over one inch (25 mm) in diameter shall have a tolerance of fifteen … Small head shear bolt. BOLT - SHEAR, CLOSE TOLERANCE A description is not available for this item. ms9748-9756 titanium ~ 6al-4v iaw ams4967 bolt, hex head ms9781-9791 17-4 ph iaw ams5643 - 13 - . Close-tolerance bolts are identified by a triangle around the mark on the bolt head that identifies the material of which the bolt is made. Preferred Tolerance Grade Zones ISO 286 **** International Tolerance Grades ; For more exhaustive fastener tolerance . 5306. One of the steps is to cleco the F-704C L&R Center Sections to the forward and aft bulkheads and put a NAS1307 bolt through at least one top and bottom hole to align the parts exactly. Add to Compare. Thread Direction: Right-hand Head Style: Undercut hexagon Thread Diameter: 12.0 millimeters Min. Name: Close Tolerance Bolt. Quick Shop. Add To Cart. Figure 2. Monroe Aerospace is a stocking distributor of Aerospace and Mil-Spec hardware. Search and Quote for Bolt Close Tolerance Parts. It is critical to know the fit, tolerance, and clearance required for replacement parts. BOLTS; CLOSE TOLERANCE; View as List Grid. Engineering drawings follow a recognized standard for displaying the dimensions and tolerances required for a machined part. A raised or recessed triangle will indicate a close-tolerance NAS bolt. 53. An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Aftermarket Aircraft Part. Generally, it is permissible to use the first lettered drill size larger than the normal bolt diameter, except where the AN hexagon bolts are used in light drive fit (reamed) applications and where NAS close tolerance bolts or AN clevis bolts are used. Stock Number created by United States (US) on 31 Mar 1999. Keep in mind the required tolerances and applications in manufacturing jigs, and try these out to make your next assembly self-locating. Our search engine helps you find the exact part you are looking for. have uniform shanks and are inserted in close tolerance drilled holes and made snug tight by box spanners. 6 ea. High strength black bolts (grade 8.8) may also be used in connections in which the bolts are tightened snug fit. An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter . Shear close tolerance bolt, hex head; Shank: Drilled, unplated; Material: Steel; Length: 1-23/32 inch; Thread: 10-32; Grip: 1-3/8 inch; Wrench Size: 3/8 inch For a shaft of the same size, h6 would mean 10+0−0.009, which means the shaft may be as small as 0.009 mm smaller than the base dimension and 0 mm larger. Answer (1 of 3): A concentric bolt should be called an eccentric bolt. Option C. NAS close tolerance bolt. The diameter of the hole is about 1.5 to 2.0 mm larger than the bolt diameter for ease in fitting. And once you've finished your tolerance analysis, try out our CNC machining services to create your prototype! NAS8603-2 Close Tolerance Bolt Length: 0.448", grip: 0.125", thread: 10-32, reduced head, close tolerance, short thread, philips recess, cadmium plated alloy steel, NAS8603 series bolt NAS6210-37D Close Tolerance Bolt Following ISO tolerance Chart for bolts and holes per ISO 286 Mil-Spec hardware would be SKU 5306011131295 in in. 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