5305-00-056-9945

Find complete technical information, availability, and procurement data for: 5305-00-056-9945
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-056-9945

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.

cross recess type 1 internal drive style, 0.500 inches nominal fastener length, pan head style, 0.256 inches minimum and 0.270 inches maximum head diameter, 0.087 inches minimum and 0.097 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: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Internal Drive Style: cross recess type 1
Features Provided: casehardened
Nonmachine Thread Style: dog type (type b or c)
Nonmachine Nominal Thread Diameter: 0.138 inches
Material: steel overall
Surface Treatment: cadmium 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-015-0490	No Name Available	07/30/1970
5305-00-285-7457	No Name Available	07/15/1970
5305-00-824-2697	No Name Available	01/12/1973
5305-00-836-8475	No Name Available	08/21/1967

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
MS24621-18	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-056-9945?

The FSCG of the NSN 5305-00-056-9945 is 5305

Does the NSN 5305-00-056-9945 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-056-9945 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 5305-00-056-9945 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-056-9945 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 5305-00-056-9945 was assigned to the Federal Catalog?

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