1881-163-02

View detailed technical data, stock status, and sourcing information for: 1881-163-02
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-203-1625

Item Name Code

15887

Assigment Date

03/12/1985 (41 years ago)

A ridge item, usually of flat material, formed into a dihedral angle (generally a right angle) which may be reinforced; it is designed to position, align, or support an item(s) in relation to another. Excludes:brace (as modified); bracket (1), mounting; and bracket, shelf.

right-hand thread direction, 4.750 inches nominal nut diameter, 0.285 inches nominal drive point depth, 3b thread class, round nut style

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Drive Point Depth: 0.285 inches nominal
Nut Style: round
Nut Diameter: 4.750 inches nominal
Drive Point Quantity: 8
Thread Series: unj
Thread Quantity Per Inch: 12
Nominal Thread Size: 2.750 inches
Material: steel corrosion resisting overall
Material Document And Classification: mil-s-8844,class 3 mil spec single material response overall
Surface Treatment: cadmium and titanium overall
Surface Treatment Document And Classification: cpc 8225 assn std single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-313-4121	No Name Available	02/01/2009

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
1881-163-02	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-203-1625?

The FSCG of the NSN 5310-01-203-1625 is 5310

Does the NSN 5310-01-203-1625 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-203-1625 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 5310-01-203-1625 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-203-1625 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 5310-01-203-1625 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Mar 12, 1985