5310008805977

View detailed technical data, stock status, and sourcing information for: 5310008805977

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5310008805977
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-880-5977
Item Name Code
13393
Assigment Date
01/01/1960 (66 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.

rectangular cross-sectional shape style, round center hole shape style, 0.065 inches nominal thickness, round peripheral shape style, 0.312 inches nominal 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
0.312 inches nominal
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.065 inches nominal
Overall Diameter
0.750 inches nominal
End Item Identification
mrap buffalo mk2a2; mrap - cougar cat1 a1; mrap - cougar cat1 a2; armored multi-purpose vehicle (ampv); multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; logistics support vessel
Material
steel comp 301 or steel comp 302 or steel comp 316 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
passivate overall
Nondefinitive Spec/Std Data
a type and 1 grade and b class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-069-5290 No Name Available 07/01/2007
5305-00-093-7399 No Name Available 07/30/1974
5310-00-576-6934 No Name Available 01/01/1983
5310-00-596-7601 No Name Available 08/01/1984
5310-00-882-9642 No Name Available 06/26/1968
5310-01-028-3607 No Name Available 01/01/1986
5310-01-556-4317 No Name Available 03/01/2009

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
10121790 Flat Washer
145-4510923-56 Flat Washer
305-015-2502 Flat Washer
411027-811 Flat Washer
5310008805977 Flat Washer
58531 Flat Washer
6931056 ITEM 12 Flat Washer
852643 Flat Washer
98019A360 Flat Washer
MS15795-811 Flat Washer
PSI-678-SP-01-05 Flat Washer
VM65359-1 Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-880-5977?
The FSCG of the NSN 5310-00-880-5977 is 5310
Does the NSN 5310-00-880-5977 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-880-5977 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 5310-00-880-5977 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-880-5977 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 5310-00-880-5977 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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