5305-01-321-9737

Find complete technical information, availability, and procurement data for: 5305-01-321-9737
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-321-9737

Item Name Code

33044

Assigment Date

06/27/1990 (36 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. Is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. See also nut (1) self-locking, blind rivet. Excludes:nut (1), sleeve.

2a thread class, right-hand thread direction, 0.650 inches minimum and 0.670 inches maximum fastener length, flat countersunk head style, 0.281 inches nominal thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.281 inches nominal
Fastener Length: 0.650 inches minimum and 0.670 inches maximum
Head Style: flat countersunk
Head Diameter: 0.409 inches minimum and 0.419 inches maximum
Internal Drive Style: cross recess type 1
Material Accommodated Thickness: 0.126 inches minimum and 0.187 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 384 or steel comp 385 fastener
Material Document And Classification: astm a493 assn std all material responses fastener
Material Document And Classification: qq-a-225/8 fed spec single material response stand-off
Surface Treatment: anodize stand-off
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: mil-a-8625 ty 1,cl 1 mil spec single treatment response stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Thread Series Designator: unf

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
DPY7900P-12-C-4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-321-9737?

The FSCG of the NSN 5305-01-321-9737 is 5305

Does the NSN 5305-01-321-9737 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-321-9737 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 5305-01-321-9737 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-321-9737 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 5305-01-321-9737 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Jun 27, 1990