5305-00-379-4721

Find complete technical information, availability, and procurement data for: 5305-00-379-4721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-379-4721

Item Name Code

06657

Assigment Date

03/21/1974 (52 years ago)

2a thread class, flat countersunk head style, right-hand thread direction, 0.159 inches minimum and 0.226 inches maximum thread length, 0.220 inches minimum and 0.250 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: 2a
Thread Direction: right-hand
Thread Length: 0.159 inches minimum and 0.226 inches maximum
Fastener Length: 0.220 inches minimum and 0.250 inches maximum
Head Style: flat countersunk
Head Diameter: 0.130 inches minimum and 0.149 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.073 inches
Thread Quantity Per Inch: 64
Minimum Tensile Strength: 80000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel comp 321 or steel comp 347 or steel comp 302
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Thread Series Designator: unc
Specification/Standard Data: 80205-nas662 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
NAS662C1R4	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-379-4721?

The FSCG of the NSN 5305-00-379-4721 is 5305

Does the NSN 5305-00-379-4721 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-379-4721 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 5305-00-379-4721 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-379-4721 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 5305-00-379-4721 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Thu, Mar 21, 1974