2501-20-53-C3C

View detailed technical data, stock status, and sourcing information for: 2501-20-53-C3C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-106-7603

Item Name Code

18421

Assigment Date

01/24/1981 (45 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

0.501 inches minimum and 0.510 inches maximum material accommodated thickness, fillister turnlock stud head style, 0.557 inches minimum and 0.562 inches maximum diameter, 0.810 inches nominal grip length, stud shank turnlock stud shank style

Product Characteristics

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

Grip Length: 0.810 inches nominal
Diameter: 0.557 inches minimum and 0.562 inches maximum
Turnlock Stud Shank Style: stud shank
Turnlock Stud Head Style: fillister
Material Accommodated Thickness: 0.501 inches minimum and 0.510 inches maximum
Drive Type: slotted
Shank Neck Length: 0.610 inches nominal
Stud Shank Major Diameter: 0.306 inches minimum and 0.311 inches maximum
Material: steel or steel comp 8620 overall
Material Document And Classification: sae assn std 1st material response or aisi assn std 2nd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 ty 1 cl 2 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
2501-20-53-C3C	Turnlock Fastener Stud
A5T51	Turnlock Fastener Stud
A5T53	Turnlock Fastener Stud

FAQs

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

What is the FSCG of the NSN 5325-01-106-7603?

The FSCG of the NSN 5325-01-106-7603 is 5325

Does the NSN 5325-01-106-7603 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-01-106-7603 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 5325-01-106-7603 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-106-7603 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 5325-01-106-7603 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sat, Jan 24, 1981