3TFC21074

View detailed technical data, stock status, and sourcing information for: 3TFC21074
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-737-7708

Item Name Code

15934

Assigment Date

01/01/1963 (63 years ago)

1.480 inches minimum and 1.485 inches maximum shoulder diameter, 0.123 inches minimum and 0.128 inches maximum material thickness, 0.080 inches nominal shoulder height, 1.694 inches minimum and 1.695 inches maximum outside diameter, 1.249 inches minimum and 1.250 inches maximum hole diameter

Product Characteristics

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

Hole Diameter: 1.249 inches minimum and 1.250 inches maximum
Shoulder Diameter: 1.480 inches minimum and 1.485 inches maximum
Outside Diameter: 1.694 inches minimum and 1.695 inches maximum
Shoulder Height: 0.080 inches nominal
Material Thickness: 0.123 inches minimum and 0.128 inches maximum
Hardness Rating: 50.0 rockwell c minimum
Special Features: annealed steel
Material: steel comp 8645 overall
Material Document And Classification: sae assn std single material response overall
Style Designator: shouldered

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
3TFC21074	Shouldered Washer
7377708	Shouldered Washer

FAQs

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

What is the FSCG of the NSN 5310-00-737-7708?

The FSCG of the NSN 5310-00-737-7708 is 5310

Does the NSN 5310-00-737-7708 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-737-7708 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 5310-00-737-7708 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-737-7708 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 5310-00-737-7708 was assigned to the Federal Catalog?

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