445-4510939M43

View detailed technical data, stock status, and sourcing information for: 445-4510939M43
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-937-0453

Item Name Code

14218

Assigment Date

10/28/1966 (59 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.

mrap rg-33; mrap - cougar cat1 a2; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; logistics support vessel end item identification, 0.156 inches minimum and 0.166 inches maximum material thickness, 0.636 inches minimum and 0.653 inches maximum hole diameter, 1.079 inches maximum outside diameter, 35.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating

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 and 0.166 inches maximum
End Item Identification: mrap rg-33; mrap - cougar cat1 a2; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; logistics support vessel
Hardness Rating: 35.0 rockwell c minimum and 43.0 rockwell c maximum
Material: steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 385 or steel comp 384 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: split helical-right hand
Nondefinitive Spec/Std Data: 2 style and c class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-223-7281	No Name Available	08/01/1989
5310-00-250-9898	No Name Available	11/17/1971

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
004-003005-026	Lock Washer
01-0296 ITEM NO 70	Lock Washer
10424389	Lock Washer
123-1678724 PC 30	Lock Washer
445-4510939M43	Lock Washer
5/8 STD LOCK	Lock Washer
53109370453	Lock Washer
5310PL0995068	Lock Washer
A-A-55610-145	Lock Washer
MS35338-145	Lock Washer
MS35338-145 CRE S 316	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-937-0453?

The FSCG of the NSN 5310-00-937-0453 is 5310

Does the NSN 5310-00-937-0453 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-937-0453 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 5310-00-937-0453 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-937-0453 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 5310-00-937-0453 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Oct 28, 1966