5305-01-133-2181

Find complete technical information, availability, and procurement data for: 5305-01-133-2181
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-133-2181

Item Name Code

16282

Assigment Date

06/11/1982 (44 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.

right-hand thread direction, 2a thread class, 1.210 inches minimum and 1.250 inches maximum fastener length, 1.120 inches minimum thread length, flat chamfer 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
Thread Length: 1.120 inches minimum
Fastener Length: 1.210 inches minimum and 1.250 inches maximum
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Locking Feature: strip or pellet or patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 130000 pounds per square inch
Minimum Yield Strength: 90000 pounds per square inch
Material: nickel alloy k-500 overall
Material Document And Classification: qq-n-286 cl a fed spec 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
300103 ITEM 4	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-133-2181?

The FSCG of the NSN 5305-01-133-2181 is 5305

Does the NSN 5305-01-133-2181 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-133-2181 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 5305-01-133-2181 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-133-2181 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 5305-01-133-2181 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Jun 11, 1982