5305-01-644-3338

Find complete technical information, availability, and procurement data for: 5305-01-644-3338
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-644-3338

Item Name Code

18257

Assigment Date

04/30/2015 (11 years ago)

1.750 inches maximum fastener length, 1.500 inches nominal thread length, right-hand thread direction, 0.620 inches maximum head height, hexagon extended washer 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 Direction: right-hand
Thread Length: 1.500 inches nominal
Fastener Length: 1.750 inches maximum
Head Style: hexagon extended washer
Head Height: 0.620 inches maximum
Width Between Flats: 0.938 inches maximum
Extended Washer Diameter: 1.330 inches maximum
End Item Identification: 2320-01-595-3994
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Part Name Assigned By Controlling Agency: screw, flange, hex
Special Features: material is steel, grade 8. protective finish iaw 12424710, method 4.
Material: steel overall
Material Document And Classification: sae j429 assn std single material response overall
Thread Series Designator: unc

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
12543051-019	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-644-3338?

The FSCG of the NSN 5305-01-644-3338 is 5305

Does the NSN 5305-01-644-3338 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-644-3338 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 5305-01-644-3338 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-644-3338 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 5305-01-644-3338 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Thu, Apr 30, 2015