5305-01-189-7421

Find complete technical information, availability, and procurement data for: 5305-01-189-7421
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-189-7421

Item Name Code

06657

Assigment Date

09/20/1984 (41 years ago)

0.560 inches minimum and 0.563 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.561 inches nominal thread length, flat chamfer 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: 3a
Thread Direction: right-hand
Thread Length: 0.561 inches nominal
Fastener Length: 0.560 inches minimum and 0.563 inches maximum
Head Style: flat chamfer
Head Diameter: 0.265 inches minimum and 0.270 inches maximum
Head Height: 0.088 inches minimum and 0.102 inches maximum
Internal Drive Style: tri-wing recess
Nominal Thread Diameter: 0.1640 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
Screw Material: steel comp e4340 or steel comp 4340 or steel comp 8740
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416 ty ii cl 2 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas5302 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
NAS5302-9	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-189-7421?

The FSCG of the NSN 5305-01-189-7421 is 5305

Does the NSN 5305-01-189-7421 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-189-7421 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 5305-01-189-7421 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-189-7421 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 5305-01-189-7421 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Sep 20, 1984