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5305-00-057-9621

Find complete technical information, availability, and procurement data for: 5305-00-057-9621

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5305-00-057-9621
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-057-9621
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.

flat countersunk head style, 0.348 inches minimum and 0.385 inches maximum head diameter, casehardened features provided, 1.453 inches minimum and 1.500 inches maximum fastener length, cross recess type 1 internal drive style

Product Characteristics

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

Fastener Length
1.453 inches minimum and 1.500 inches maximum
Head Style
flat countersunk
Head Diameter
0.348 inches minimum and 0.385 inches maximum
Internal Drive Style
cross recess type 1
Features Provided
casehardened
Nonmachine Thread Style
dog type (type b or c)
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Nonmachine Nominal Thread Diameter
0.190 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-497-4118 No Name Available 02/01/1986

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
MS21207-10-24 Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-057-9621?
The FSCG of the NSN 5305-00-057-9621 is 5305
Does the NSN 5305-00-057-9621 have a Schedule B code assigned?
Yes, the Schedule B code is 7318140000
Does NSN 5305-00-057-9621 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 5305-00-057-9621 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-057-9621 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 5305-00-057-9621 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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