5305-01-044-0721

Find complete technical information, availability, and procurement data for: 5305-01-044-0721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-044-0721

Item Name Code

06657

Assigment Date

07/07/1977 (49 years ago)

0.824 inches minimum and 0.854 inches maximum fastener length, 3a thread class, flat countersunk head style, 0.314 inches minimum and 0.364 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.314 inches minimum and 0.364 inches maximum
Fastener Length: 0.824 inches minimum and 0.854 inches maximum
Head Style: flat countersunk
Head Diameter: 0.294 inches minimum and 0.332 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 100.0 degrees nominal
Screw Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 class 2 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1221 professional/industrial association standard

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
NAS1221-08-8P	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-044-0721?

The FSCG of the NSN 5305-01-044-0721 is 5305

Does the NSN 5305-01-044-0721 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-044-0721 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 5305-01-044-0721 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-044-0721 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 5305-01-044-0721 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Jul 7, 1977