5305-00-421-3516

Find complete technical information, availability, and procurement data for: 5305-00-421-3516
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-3516

Item Name Code

06657

Assigment Date

12/07/1970 (55 years ago)

right-hand thread direction, 0.500 inches maximum fastener length, 2a thread class, 0.431 inches maximum thread length, flat countersunk head style

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: 0.431 inches maximum
Fastener Length: 0.500 inches maximum
Head Style: flat countersunk
Head Diameter: 0.268 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material Document And Classification: sae assn std all material responses
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed 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
2950-416-37	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-3516?

The FSCG of the NSN 5305-00-421-3516 is 5305

Does NSN 5305-00-421-3516 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 5305-00-421-3516 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-3516 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 5305-00-421-3516 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 7, 1970