5305-01-389-6379

Find complete technical information, availability, and procurement data for: 5305-01-389-6379
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-389-6379

Item Name Code

06657

Assigment Date

04/27/1994 (32 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.438 inches nominal thread length, 3a thread class, right-hand thread direction, 0.407 inches minimum and 0.438 inches maximum fastener length, flat countersunk 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: 0.438 inches nominal
Fastener Length: 0.407 inches minimum and 0.438 inches maximum
Head Style: flat countersunk
Head Diameter: 0.371 inches minimum and 0.385 inches maximum
Locking Feature: patch
Internal Drive Style: torque set
Nominal Thread Diameter: 0.1900 inches
Thread Quantity Per Inch: 32
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, a268 assn std single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416, ty 2 cl 2 fed spec single treatment response
Thread Series Designator: unjf
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
NAS1189E3T7BH	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-389-6379?

The FSCG of the NSN 5305-01-389-6379 is 5305

Does the NSN 5305-01-389-6379 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-389-6379 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 5305-01-389-6379 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-389-6379 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 5305-01-389-6379 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Apr 27, 1994