5305-01-421-7563

Find complete technical information, availability, and procurement data for: 5305-01-421-7563
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-421-7563

Item Name Code

06657

Assigment Date

11/15/1995 (30 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

2a thread class, pan head style, 1.000 inches nominal fastener length, 1.000 inches nominal thread length, right-hand thread direction

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.000 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.072 inches minimum and 0.082 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel comp 303 or steel comp 304 or steel comp 316
Screw Material Document And Classification: qq-s-763 fed spec single material response
Screw Surface Treatment: passivate or oxide
Screw Surface Treatment Document And Classification: aqq-p-35 fed spec single treatment response or amil-c-13924, cl 4 mil spec single treatment response
Thread Series Designator: unc

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
93010C0011	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-421-7563?

The FSCG of the NSN 5305-01-421-7563 is 5305

Does the NSN 5305-01-421-7563 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-421-7563 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 5305-01-421-7563 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-421-7563 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 5305-01-421-7563 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Nov 15, 1995