5305-00-052-6921

Find complete technical information, availability, and procurement data for: 5305-00-052-6921
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-052-6921

Item Name Code

41756

Assigment Date

01/01/1963 (63 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

pan head style, cross recess type 1 internal drive style, 0.473 inches minimum and 0.492 inches maximum head diameter, 0.500 inches nominal fastener length, 0.162 inches minimum and 0.175 inches maximum head height

Product Characteristics

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

Fastener Length: 0.500 inches nominal
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Internal Drive Style: cross recess type 1
Features Provided: casehardened
Nonmachine Thread Style: thru slot (type d) or double flute (type f) or thru slot (type 6) or wide flute (type t)
Nonmachine Nominal Thread Diameter: 0.250 inches
Material: steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524 overall
Material Document And Classification: aisi assn std all material responses overall
Surface Treatment: passivate and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 3 fed spec all treatment responses overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-432-3833	No Name Available	01/09/1972
5305-00-436-7274	No Name Available	11/07/1973
5305-00-470-5472	No Name Available	10/01/1982
5305-01-215-3986	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
50A2630	Tapping Screw
5305000526921	Tapping Screw
5305PL0703768	Tapping Screw
MS24629-57	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-052-6921?

The FSCG of the NSN 5305-00-052-6921 is 5305

Does the NSN 5305-00-052-6921 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-052-6921 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 5305-00-052-6921 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-052-6921 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 5305-00-052-6921 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963