5305-01-321-8042

Find complete technical information, availability, and procurement data for: 5305-01-321-8042
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-321-8042

Item Name Code

16282

Assigment Date

06/23/1990 (36 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

1.438 inches minimum and 1.500 inches maximum fastener length, 0.480 inches minimum and 0.531 inches maximum head diameter, 2a thread class, right-hand thread direction, 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: 2a
Thread Direction: right-hand
Fastener Length: 1.438 inches minimum and 1.500 inches maximum
Head Style: flat countersunk
Head Diameter: 0.480 inches minimum and 0.531 inches maximum
Locking Feature: strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches minimum and 0.158 inches maximum
Thread Quantity Per Inch: 20
Countersink Angle: 82.0 degrees minimum and 84.0 degrees maximum
Material: plastic polyamide (nylon) locking feature
Material: steel comp 316 fastener
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: astm a380 assn std single treatment response fastener
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
580964286	Socket Head Cap Screw
580964P86	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-321-8042?

The FSCG of the NSN 5305-01-321-8042 is 5305

Does the NSN 5305-01-321-8042 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-321-8042 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 5305-01-321-8042 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-321-8042 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 5305-01-321-8042 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Jun 23, 1990