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5310-00-877-5972

Find complete technical information, availability, and procurement data for: 5310-00-877-5972

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5310-00-877-5972
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-877-5972
Item Name Code
13393
Assigment Date
01/01/1961 (65 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

round center hole shape style, round peripheral shape style, 0.112 inches minimum and 0.126 inches maximum thickness, rectangular cross-sectional shape style, 0.396 inches minimum and 0.416 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
0.396 inches minimum and 0.416 inches maximum
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.112 inches minimum and 0.126 inches maximum
Overall Diameter
0.740 inches minimum and 0.760 inches maximum
End Item Identification
medium mine protected vehicle - mmpv; multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Material
steel comp 4130 or steel comp 4140 or steel comp 8640 or steel comp 1050 or steel comp 8740 overall
Material Document And Classification
qq-s-624 fed spec 1st material response or qq-s-626 fed spec 1st material response or qq-s-627 fed spec 1st material response and qq-s-624 fed spec 2nd material response or qq-s-626 fed spec 2nd material response or qq-s-627 fed spec 2nd material response and qq-s-624 fed spec 3rd material response or qq-s-626 fed spec 3rd material response or qq-s-627 fed spec 3rd material response and qq-s-635 fed spec 4th material response or qq-s-700 fed spec 4th material response and qq-s-624 fed spec 5th material response or qq-s-626 fed spec 5th material response or qq-s-627 fed spec 5th material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,type 2,class 1 fed spec single treatment 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
10082632 Flat Washer
10910174-3 Flat Washer
5310008775972 Flat Washer
5310PL0945180 Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-877-5972?
The FSCG of the NSN 5310-00-877-5972 is 5310
Does the NSN 5310-00-877-5972 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-877-5972 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 5310-00-877-5972 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-877-5972 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 5310-00-877-5972 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 590
New Material 17,663
As Removed 1
Total 18,254
Availability of this item was last updated on: 07/03/2026 03:07 AM EDT. Stock levels and pricing are subject to change.

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