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932.19.60.428

View detailed technical data, stock status, and sourcing information for: 932.19.60.428

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932.19.60.428
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-637-8734
Item Name Code
27851
Assigment Date
01/01/1963 (63 years ago)

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. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

0.468 inches minimum thread length, right-hand thread direction, hexagon head style, 3a thread class, 0.906 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.468 inches minimum
Fastener Length
0.906 inches nominal
Head Style
hexagon
Head Height
0.140 inches minimum and 0.172 inches maximum
Width Between Flats
0.428 inches minimum and 0.440 inches maximum
Grip Diameter
0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter
0.076 inches nominal first hole
Nominal Thread Diameter
0.250 inches
Grip Length
0.438 inches nominal
Thread Quantity Per Inch
28
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center
0.750 inches nominal first hole
Material
steel comp 431 overall
Material Document And Classification
mil-s-18732 mil spec single material response overall
Surface Treatment
passivate overall
Thread Series Designator
unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
932.19.60.428 Close Tolerance Bolt
AN174C7 Close Tolerance Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-00-637-8734?
The FSCG of the NSN 5306-00-637-8734 is 5306
Does the NSN 5306-00-637-8734 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-637-8734 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5306-00-637-8734 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-637-8734 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5306-00-637-8734 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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