7856N

View detailed technical data, stock status, and sourcing information for: 7856N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-345-0990

Item Name Code

15934

Assigment Date

01/01/1963 (63 years ago)

0.312 inches nominal outside diameter, 0.062 inches nominal material thickness, 0.187 inches nominal shoulder diameter, 0.031 inches nominal shoulder height, 0.136 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 0.136 inches nominal
Shoulder Diameter: 0.187 inches nominal
Outside Diameter: 0.312 inches nominal
Shoulder Height: 0.031 inches nominal
Material Thickness: 0.062 inches nominal
Material: wool overall
Material Document And Classification: mil-f-1148 mil spec single material response overall
Style Designator: shouldered

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5970-00-333-5743	No Name Available	03/01/1976
5970-00-513-2523	No Name Available	03/01/1976
5310-00-550-9572	No Name Available	09/01/1979
5330-00-582-9848	No Name Available	04/03/1969
5970-00-681-9499	No Name Available	05/01/1976

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
10015465-004	Shouldered Washer
10049828-2	Shouldered Washer
105981-3	Shouldered Washer
12716383-6	Shouldered Washer
172440	Shouldered Washer
323389-1	Shouldered Washer
448954-4	Shouldered Washer
56-2577-3	Shouldered Washer
7856C	Shouldered Washer
7856N	Shouldered Washer

FAQs

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

What is the FSCG of the NSN 5310-00-345-0990?

The FSCG of the NSN 5310-00-345-0990 is 5310

Does the NSN 5310-00-345-0990 have a Schedule B code assigned?

Yes, the Schedule B code is 6307909995

Does NSN 5310-00-345-0990 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 5310-00-345-0990 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-345-0990 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 5310-00-345-0990 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963