5305-01-121-0337

Find complete technical information, availability, and procurement data for: 5305-01-121-0337
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-121-0337

Item Name Code

16282

Assigment Date

10/29/1981 (44 years ago)

right-hand thread direction, 3a thread class, flat countersunk head style, 0.412 inches minimum and 0.478 inches maximum thread length, 0.547 inches minimum and 0.593 inches maximum fastener length

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.412 inches minimum and 0.478 inches maximum
Fastener Length: 0.547 inches minimum and 0.593 inches maximum
Head Style: flat countersunk
Head Diameter: 0.283 inches minimum and 0.332 inches maximum
Locking Feature: pellet or strip threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
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
MS21091-08002	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-121-0337?

The FSCG of the NSN 5305-01-121-0337 is 5305

Does the NSN 5305-01-121-0337 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-121-0337 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 5305-01-121-0337 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-121-0337 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 5305-01-121-0337 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Oct 29, 1981