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5310-00-187-2400

Find complete technical information, availability, and procurement data for: 5310-00-187-2400

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5310-00-187-2400
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-187-2400
Item Name Code
13393
Assigment Date
01/01/1963 (63 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, 0.057 inches minimum and 0.069 inches maximum thickness, round peripheral shape style, rectangular cross-sectional shape style, 0.380 inches minimum and 0.400 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
0.380 inches minimum and 0.400 inches maximum
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.057 inches minimum and 0.069 inches maximum
Overall Diameter
0.620 inches minimum and 0.645 inches maximum
Criticality Code Justification
feat
Special Features
weapons system essential
Material
aluminum alloy 2024 overall
Material Document And Classification
qq-a-250/5 fed spec single material response overall
Surface Treatment
chromate or anodize overall
Surface Treatment Document And Classification
mil-c-5541 mil spec 1st treatment response or mil-a-8625 mil spec 2nd treatment response overall
Nondefinitive Spec/Std Data
a type and 2 grade and d class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-010-9303 No Name Available 02/01/2008
5310-00-187-2390 No Name Available 02/13/2017

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
10168924 Flat Washer
407 599 Flat Washer
5310PL0150169 Flat Washer
5310PL1368793 Flat Washer
807285-00 Flat Washer
AN960PD616 Flat Washer
CVC754-540LA25 Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-187-2400?
The FSCG of the NSN 5310-00-187-2400 is 5310
Does the NSN 5310-00-187-2400 have a Schedule B code assigned?
Yes, the Schedule B code is 7616108000
Does NSN 5310-00-187-2400 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 5310-00-187-2400 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-187-2400 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 5310-00-187-2400 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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