177922-7

View detailed technical data, stock status, and sourcing information for: 177922-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-205-8491

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

round center hole shape style, rectangular cross-sectional shape style, 0.441 inches minimum and 0.451 inches maximum hole diameter, round peripheral shape style, 0.052 inches minimum and 0.072 inches maximum thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.441 inches minimum and 0.451 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.052 inches minimum and 0.072 inches maximum
Overall Diameter: 0.771 inches minimum and 0.791 inches maximum
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 32.0 rockwell c maximum
Material: steel comp 1330 or steel comp 4130 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-149-9129	No Name Available	03/04/1968
5310-00-177-7605	No Name Available	02/01/2007
5310-00-199-2175	No Name Available	01/01/1984
5310-00-205-9243	No Name Available	04/24/1986
5310-00-245-3599	No Name Available	12/05/2013
5310-00-613-8913	No Name Available	01/02/1975

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
177922-7	Flat Washer
5310PL0797942	Flat Washer
938.75.11.124	Flat Washer
GW10B7B	Flat Washer
MS20002-7	Flat Washer
NAS143-7	Flat Washer
Z00.N5741532472	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-205-8491?

The FSCG of the NSN 5310-00-205-8491 is 5310

Does the NSN 5310-00-205-8491 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-205-8491 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 5310-00-205-8491 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-205-8491 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 5310-00-205-8491 was assigned to the Federal Catalog?

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