5305-01-397-0875

Find complete technical information, availability, and procurement data for: 5305-01-397-0875
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-397-0875

Item Name Code

06657

Assigment Date

10/02/1994 (31 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

3a thread class, 0.375 inches nominal fastener length, 0.303 inches minimum and 0.339 inches maximum thread length, flat countersunk head style, 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: 0.303 inches minimum and 0.339 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: flat countersunk
Head Diameter: 0.126 inches minimum and 0.176 inches maximum
Locking Feature: strip
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: iron alloy 660
Locking Feature Material: plastic polyamide (nylon)
Screw Material Document And Classification: ams 5737 assn std single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1189 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
NAS1189E02P6L	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-397-0875?

The FSCG of the NSN 5305-01-397-0875 is 5305

Does the NSN 5305-01-397-0875 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-397-0875 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 5305-01-397-0875 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-397-0875 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 5305-01-397-0875 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sun, Oct 2, 1994