6-4MMDIN125A4

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-655-7219

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

round center hole shape style, rectangular cross-sectional shape style, 0.063 inches nominal thickness, round peripheral shape style, 0.255 inches minimum and 0.265 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.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.255 inches minimum and 0.265 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.063 inches nominal
Overall Diameter: 0.463 inches minimum and 0.483 inches maximum
Material: steel comp 1008 or steel comp 1009 or steel comp 1015 or steel comp 1018 or steel comp 1020 overall
Material Document And Classification: qq-s-698 fed spec all material responses overall
Surface Treatment: cadmium and chromate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-124-3280	No Name Available	07/01/2007
5310-00-400-0066	No Name Available	07/01/2007
5310-00-722-6023	No Name Available	11/01/1976

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
10121575	Flat Washer
2109-010	Flat Washer
2528823	Flat Washer
310-0740-610	Flat Washer
3X101412	Flat Washer
410150067	Flat Washer
5310PL1879215	Flat Washer
6-4MMDIN125A4	Flat Washer
6-4NS961A4	Flat Washer
8824708	Flat Washer
LD153-0034-0004	Flat Washer
LS9851-4	Flat Washer
NAS 620-416	Flat Washer
NAS620-416	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-655-7219?

The FSCG of the NSN 5310-00-655-7219 is 5310

Does the NSN 5310-00-655-7219 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-655-7219 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 5310-00-655-7219 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-655-7219 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 5310-00-655-7219 was assigned to the Federal Catalog?

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