5305-01-644-1044

Find complete technical information, availability, and procurement data for: 5305-01-644-1044
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-644-1044

Item Name Code

06657

Assigment Date

04/22/2015 (11 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.

0.992 inches nominal thread length, right-hand thread direction, flat countersunk head style, 1.063 inches minimum and 1.125 inches maximum fastener length, 3a thread class

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: 0.992 inches nominal
Fastener Length: 1.063 inches minimum and 1.125 inches maximum
Head Style: flat countersunk
Spline Major Diameter: 0.221 inches nominal
Internal Drive Style: torx
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw flush head full thread 6 lobe recess
Screw Material: iron alloy 660
Screw Surface Treatment: passivate
Thread Series Designator: unjf

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
NAS5312E5-18	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-644-1044?

The FSCG of the NSN 5305-01-644-1044 is 5305

Does the NSN 5305-01-644-1044 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-644-1044 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 5305-01-644-1044 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-644-1044 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 5305-01-644-1044 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Wed, Apr 22, 2015