5305-01-391-5237

Find complete technical information, availability, and procurement data for: 5305-01-391-5237
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-391-5237

Item Name Code

16282

Assigment Date

06/13/1994 (32 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

3a thread class, flat chamfer head style, 0.500 inches nominal fastener length, right-hand thread direction, 0.375 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: 3a
Thread Direction: right-hand
Thread Length: 0.375 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 80000 pounds per square inch
Minimum Yield Strength: 40000 pounds per square inch
Material: nickel alloy k-500 overall
Material Document And Classification: qq-n-286, cla 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
218031960	Socket Head Cap Screw
60-15-1038	Socket Head Cap Screw
845-4558779 ITEM 23	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-391-5237?

The FSCG of the NSN 5305-01-391-5237 is 5305

Does the NSN 5305-01-391-5237 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-391-5237 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 5305-01-391-5237 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-391-5237 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 5305-01-391-5237 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, Jun 13, 1994