NCN4S-3-2-3

View detailed technical data, stock status, and sourcing information for: NCN4S-3-2-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-490-1670

Item Name Code

11444

Assigment Date

09/26/1969 (56 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

0.187 inches nominal width across flats, steel comp 303 overall material, 0.156 inches nominal length, 0.159 in. nom insert size, 0.013 inches minimum and 0.023 inches maximum flange thickness

Product Characteristics

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

Flange Thickness: 0.013 inches minimum and 0.023 inches maximum
Length: 0.156 inches nominal
Width Across Flats: 0.187 inches nominal
Insert Size: 0.159 in. nom
Material: steel comp 303 overall
Material Document And Classification: qq-s-764,cond a fed spec single material response overall
Surface Treatment: passivate overall
Style Designator: flange

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
34N062EXR3	Screw Thread Insert
40-00421-004	Screw Thread Insert
916AS6632-5	Screw Thread Insert
917AS6632-5	Screw Thread Insert
NCN4S-3-2-3	Screw Thread Insert

FAQs

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

What is the FSCG of the NSN 5325-00-490-1670?

The FSCG of the NSN 5325-00-490-1670 is 5325

Does the NSN 5325-00-490-1670 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-490-1670 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 5325-00-490-1670 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-490-1670 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 5325-00-490-1670 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Sep 26, 1969