681944PC13

View detailed technical data, stock status, and sourcing information for: 681944PC13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-012-1574

Item Name Code

14218

Assigment Date

01/01/1961 (65 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, 0.636 inches minimum and 0.653 inches maximum hole diameter, steel overall material, 0.156 inches minimum material thickness, 1.079 inches maximum outside 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: 0.636 inches minimum and 0.653 inches maximum
Outside Diameter: 1.079 inches maximum
Material Thickness: 0.156 inches minimum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Material: steel overall
Material Document And Classification: fed std 66,aisi c1060 thru c1080 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
Style Designator: split helical-right hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-262-3544	No Name Available	01/01/1963
5310-00-331-1403	No Name Available	01/01/1963
5310-00-545-4390	No Name Available	01/01/1961

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
12Z22PC256	Lock Washer
146370PC10	Lock Washer
179172PC7	Lock Washer
328295PC23	Lock Washer
328297PC11	Lock Washer
328299PC9	Lock Washer
34811S7	Lock Washer
378078PC3	Lock Washer
424314PC17	Lock Washer
681944PC13	Lock Washer
D9578-1-27	Lock Washer
G210722-4	Lock Washer
L10DW13	Lock Washer
L6493-10	Lock Washer
MS35338-31	Lock Washer
X14253	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-012-1574?

The FSCG of the NSN 5310-00-012-1574 is 5310

Does the NSN 5310-00-012-1574 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-012-1574 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 5310-00-012-1574 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-012-1574 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 5310-00-012-1574 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961