5305-01-122-4691

Find complete technical information, availability, and procurement data for: 5305-01-122-4691
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-122-4691

Item Name Code

16282

Assigment Date

11/21/1981 (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.

1.000 inches minimum and 1.500 inches maximum thread length, right-hand thread direction, flat chamfer head style, 3a thread class, 2.210 inches minimum and 2.250 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: 1.000 inches minimum and 1.500 inches maximum
Fastener Length: 2.210 inches minimum and 2.250 inches maximum
Head Style: flat chamfer
Head Diameter: 0.363 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 170000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 150000 pounds per square inch
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: qq-z-325,ty2,cl3 fed spec single treatment 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
3176207-C-095	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-122-4691?

The FSCG of the NSN 5305-01-122-4691 is 5305

Does the NSN 5305-01-122-4691 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-122-4691 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 5305-01-122-4691 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-122-4691 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 5305-01-122-4691 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Nov 21, 1981