5306-01-389-9756

Find complete technical information, availability, and procurement data for: 5306-01-389-9756
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-389-9756

Item Name Code

01847

Assigment Date

05/09/1994 (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.

double hexagon extended washer head style, 0.495 inches nominal thread length, 1.130 inches minimum and 1.150 inches maximum fastener length, right-hand thread direction, 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: 0.495 inches nominal
Fastener Length: 1.130 inches minimum and 1.150 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.248 inches minimum and 0.268 inches maximum
Width Between Flats: 0.3125 inches nominal
Extended Washer Diameter: 0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness: 0.040 inches minimum and 0.050 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Material: steel comp 321 primary washer
Material: steel corrosion resisting fastener
Material: steel comp 631 stand-off
Material Document And Classification: ams 5510 assn std single material response primary washer
Material Document And Classification: ams 5678 assn std single material response stand-off
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-323-5476	No Name Available	06/01/1995

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
1460M71P02	Machine Bolt
1460M71P04	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-389-9756?

The FSCG of the NSN 5306-01-389-9756 is 5306

Does the NSN 5306-01-389-9756 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-389-9756 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 5306-01-389-9756 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-389-9756 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 5306-01-389-9756 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, May 9, 1994