121J-545-SS

View detailed technical data, stock status, and sourcing information for: 121J-545-SS
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-387-0522

Item Name Code

18421

Assigment Date

02/24/1994 (32 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.

stud shank turnlock stud shank style, fillister turnlock stud head style, slotted drive type, 0.562 inches minimum and 0.572 inches maximum diameter, 0.450 inches minimum and 0.460 inches maximum grip length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Grip Length: 0.450 inches minimum and 0.460 inches maximum
Diameter: 0.562 inches minimum and 0.572 inches maximum
Turnlock Stud Shank Style: stud shank
Turnlock Stud Head Style: fillister
Drive Type: slotted
Shank Neck Length: 0.190 inches minimum and 0.200 inches maximum
Stud Shank Major Diameter: 0.307 inches minimum and 0.312 inches maximum
Material: steel comp 303 or steel comp 303se or steel comp 304 overall
Material Document And Classification: astm a582 assn std 1st material response or astm a582 assn std 2nd material response or qq-s-763 fed spec 3rd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
121J-545-SS	Turnlock Fastener Stud
AJ5-45SS	Turnlock Fastener Stud
K94T0012-4C	Turnlock Fastener Stud

FAQs

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

What is the FSCG of the NSN 5325-01-387-0522?

The FSCG of the NSN 5325-01-387-0522 is 5325

Does the NSN 5325-01-387-0522 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-01-387-0522 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 5325-01-387-0522 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-387-0522 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 5325-01-387-0522 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Feb 24, 1994