56561

View detailed technical data, stock status, and sourcing information for: 56561
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-913-2745

Item Name Code

13393

Assigment Date

01/01/1960 (66 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter and with a head specially designed to fit in a slot and hold against turning.

0.168 inches minimum and 0.170 inches maximum hole diameter, rectangular cross-sectional shape style, round center hole shape style, 0.0269 inches nominal thickness, round peripheral shape style

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: 0.168 inches minimum and 0.170 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.0269 inches nominal
Overall Diameter: 0.255 inches minimum and 0.260 inches maximum
Heat Treatment: as fabricated
Material: steel overall
Material Document And Classification: qq-s-633-cond cr-canc fed spec single material response overall

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
56561	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-913-2745?

The FSCG of the NSN 5310-00-913-2745 is 5310

Does the NSN 5310-00-913-2745 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-913-2745 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 5310-00-913-2745 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-913-2745 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 5310-00-913-2745 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960