856004-003

View detailed technical data, stock status, and sourcing information for: 856004-003
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-238-7749

Item Name Code

15930

Assigment Date

08/20/1986 (39 years ago)

An electrical fitting with electrical contacts, constructed to be affixed to the end of a cable, conduit, coaxial line, cord or wiring for convenience in joining with other electrical connector(s) or printed wiring board and is not designed to be mounted on a bulkhead, chasses, panel, printed wiring board, or the like. Excludes:jack, telephone; jack, tip; plug, telephone; plug tip; insert, electrical connector; connector body (as modified); and socket, plug-in, electronic components. See also lead assembly, electrical; wiring harness (as modified); and cable assembly (as modified). For items without inserts, see shell, electrical connector.

o.d.flat on one side;heat treat to 160.000 to 180.000 psi per mil-h-6875 special features, 0.672 inches nominal hole diameter, 1.900 inches nominal outside diameter, 0.620 inches nominal radius, 0.285 inches nominal material thickness

Product Characteristics

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

Hole Diameter: 0.672 inches nominal
Radius: 0.620 inches nominal
Outside Diameter: 1.900 inches nominal
Material Thickness: 0.285 inches nominal
Special Features: o.d.flat on one side;heat treat to 160.000 to 180.000 psi per mil-h-6875
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type ii,class 2 fed spec single treatment response overall
Style Designator: concave

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
856004-003	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-01-238-7749?

The FSCG of the NSN 5310-01-238-7749 is 5310

Does the NSN 5310-01-238-7749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-238-7749 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 5310-01-238-7749 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-238-7749 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 5310-01-238-7749 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Aug 20, 1986