5305-01-321-2156

Find complete technical information, availability, and procurement data for: 5305-01-321-2156
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-321-2156

Item Name Code

16282

Assigment Date

06/13/1990 (36 years ago)

A nut, circular in shape, having wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery. It has an integral washer which extends beyond the wrenching element periphery and an integral feature is incorporated for locking on the threads of a mating member.

flat chamfer head style, 3a thread class, 0.875 inches minimum thread length, right-hand thread direction, 1.022 inches minimum and 1.062 inches maximum fastener 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: 3a
Thread Direction: right-hand
Thread Length: 0.875 inches minimum
Fastener Length: 1.022 inches minimum and 1.062 inches maximum
Head Style: flat chamfer
Head Diameter: 0.262 inches minimum and 0.270 inches maximum
Head Height: 0.159 inches minimum and 0.164 inches maximum
Hole Diameter: 0.044 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.1406 inches minimum and 0.1428 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hole Configuration Style: round longitudinal hole
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unrc
Specification/Standard Data: 80205-nas1352 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
NAS1352N08H18	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-321-2156?

The FSCG of the NSN 5305-01-321-2156 is 5305

Does the NSN 5305-01-321-2156 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-321-2156 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 5305-01-321-2156 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-321-2156 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 5305-01-321-2156 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Jun 13, 1990