5306-01-381-1295

Find complete technical information, availability, and procurement data for: 5306-01-381-1295
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-381-1295

Item Name Code

04905

Assigment Date

10/10/1993 (32 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.

20.0 millimeters nominal thread length, 67.0 millimeters nominal fastener length, right-hand thread direction, hexagon head style, 3a thread class

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: 20.0 millimeters nominal
Fastener Length: 67.0 millimeters nominal
Head Style: hexagon
Head Height: 7.0 millimeters nominal
Width Between Flats: 17.0 millimeters nominal
Shoulder Diameter: 7.5 millimeters nominal first shoulder
Shoulder Length: 2.0 millimeters nominal first shoulder
Shoulder Length: 65.0 millimeters nominal second shoulder
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Shoulder Shape: round all shoulders
Material: chromium and nickel overall
Material Document And Classification: x20crni172 matl no. 1.4057, cagec c3927 mfr ref single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ln29747, code no. 1201, cagec c3927 mfr ref single treatment response overall
Thread Series Designator: unc

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
6374899	Shoulder Bolt
7896 00 16	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-381-1295?

The FSCG of the NSN 5306-01-381-1295 is 5306

Does NSN 5306-01-381-1295 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 5306-01-381-1295 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-381-1295 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 5306-01-381-1295 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Sun, Oct 10, 1993