916E513102 ITEM 21

View detailed technical data, stock status, and sourcing information for: 916E513102 ITEM 21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-144-1005

Item Name Code

13393

Assigment Date

12/14/1982 (43 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, 0.060 inches nominal thickness, 0.144 inches nominal hole diameter, round center hole shape style, 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: 0.144 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.060 inches nominal
Overall Diameter: 0.375 inches nominal
Criticality Code Justification: zzzy
Material: steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303cu or steel comp 303ma or steel comp 303pb or steel comp 304 or steel comp 304l or steel comp 304h overall
Special Test Features: special quality control testing
Test Data Document: "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Reference Number Differentiating Characteristics: as differentiated by material which must conform to ships parts control center special quality control provisions and certified free from mercury contammination

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
916E513102 ITEM 21	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-144-1005?

The FSCG of the NSN 5310-01-144-1005 is 5310

Does the NSN 5310-01-144-1005 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-144-1005 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 5310-01-144-1005 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-144-1005 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 5310-01-144-1005 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Dec 14, 1982