5306-01-456-6923

Find complete technical information, availability, and procurement data for: 5306-01-456-6923
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-456-6923

Item Name Code

27851

Assigment Date

06/23/1998 (28 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

right-hand thread direction, 3a thread class, 0.375 inches nominal thread length, 1.673 inches minimum and 1.703 inches maximum fastener length, dished hexagon head style

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: 0.375 inches nominal
Fastener Length: 1.673 inches minimum and 1.703 inches maximum
Head Style: dished hexagon
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3108 inches minimum and 0.3117 inches maximum
Nominal Thread Diameter: 0.3125 inches
Grip Length: 1.303 inches minimum and 1.678 inches maximum
Thread Quantity Per Inch: 24
Material: steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response overall
Surface Treatment: cadmium and chromate fastener
Surface Treatment: chromium grip
Surface Treatment Document And Classification: qq-c-320, class 2 type 1 fed spec single treatment response grip
Surface Treatment Document And Classification: qq-p-416, type 2 class 2 fed spec single treatment response fastener
Thread Series Designator: unjf

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
S4928913-5-21	Close Tolerance Bolt
S4928913-5-31	Close Tolerance Bolt
S4958913-5-21	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-456-6923?

The FSCG of the NSN 5306-01-456-6923 is 5306

Does the NSN 5306-01-456-6923 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-456-6923 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 5306-01-456-6923 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-456-6923 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 5306-01-456-6923 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Tue, Jun 23, 1998