494666

View detailed technical data, stock status, and sourcing information for: 494666
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-245-4581

Item Name Code

15892

Assigment Date

07/11/1969 (57 years ago)

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

prevailing torque all metal design locking feature, right-hand thread direction, 3b thread class, unjf thread series, 28 thread quantity per inch

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
Locking Feature: prevailing torque all metal design
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 24.0 rockwell c minimum
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response overall
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2411 0.0003 to 0.0006 in. thk 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-247-4798	No Name Available	11/01/1988
5310-00-251-0791	No Name Available	01/01/1997
5310-00-941-0170	No Name Available	01/01/1997
5310-00-971-7229	No Name Available	10/01/1991
5310-00-971-7230	No Name Available	10/01/1991

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
494666	Clinch Self-Locking Nut
494667	Clinch Self-Locking Nut
494668	Clinch Self-Locking Nut
61140-428-2	Clinch Self-Locking Nut
639147	Clinch Self-Locking Nut
69992-428-2	Clinch Self-Locking Nut
K29109-4-2	Clinch Self-Locking Nut
ZL6826-7-048	Clinch Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-245-4581?

The FSCG of the NSN 5310-00-245-4581 is 5310

Does the NSN 5310-00-245-4581 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-245-4581 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 5310-00-245-4581 contain precious materials?

Item contains silver.

Does NSN 5310-00-245-4581 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 5310-00-245-4581 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jul 11, 1969