88-368-30-333

View detailed technical data, stock status, and sourcing information for: 88-368-30-333
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-087-7493

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 peripheral shape style, 0.370 inches minimum and 0.390 inches maximum hole diameter, round center hole shape style, 0.064 inches minimum and 0.104 inches maximum thickness, rectangular cross-sectional shape style

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: 0.370 inches minimum and 0.390 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.064 inches minimum and 0.104 inches maximum
Overall Diameter: 0.868 inches minimum and 0.905 inches maximum
End Item Identification: mrap - cougar; medium mine protected vehicle - mmpv; multiple launch rocket system (mlrs)
Material: steel comp 1008 or steel comp 1009 or steel comp 1010 or steel comp 1011 or steel comp 1012 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 overall
Material Document And Classification: astm a109 assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Nondefinitive Spec/Std Data: a type and 1 grade and a class
Departure From Cited Designator: as modified by the finish

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-001-2033	No Name Available	09/01/1998
5310-00-044-6363	No Name Available	09/01/2020
5310-00-063-7973	No Name Available	07/01/2012
5310-00-209-0690	No Name Available	04/06/1967
5310-00-209-0710	No Name Available	02/20/1967
5310-00-285-1582	No Name Available	12/01/1982
5310-00-450-4653	No Name Available	10/01/1982
5310-00-471-3924	No Name Available	02/03/1971
5310-00-487-5310	No Name Available	01/01/1983
5310-00-753-4369	No Name Available	01/01/1960
5310-00-754-1611	No Name Available	11/25/2016
5310-01-290-6229	No Name Available	09/01/1990

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
0304-D-005	Flat Washer
0717579	Flat Washer
0F54-0601-00	Flat Washer
10390289	Flat Washer
11A5C3	Flat Washer
446363	Flat Washer
5-11-966-41	Flat Washer
5-16X5-64THK	Flat Washer
5310-087-7493	Flat Washer
5310000877493	Flat Washer
5310PL0357551	Flat Washer
88-368-30-333	Flat Washer
904291	Flat Washer
EE42417	Flat Washer
LA494-22	Flat Washer
MS15795-13	Flat Washer
MS15795-213	Flat Washer
MS27183-13	Flat Washer
PL44138R10LINE141	Flat Washer
SK-1001-12	Flat Washer
XX002-0533	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-087-7493?

The FSCG of the NSN 5310-00-087-7493 is 5310

Does the NSN 5310-00-087-7493 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-087-7493 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 5310-00-087-7493 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-087-7493 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 5310-00-087-7493 was assigned to the Federal Catalog?

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