5305-00-500-1288

Find complete technical information, availability, and procurement data for: 5305-00-500-1288
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-500-1288

Item Name Code

18257

Assigment Date

07/06/1974 (52 years ago)

right-hand thread direction, hexagon head style, 3a thread class, 0.381 inches minimum and 0.447 inches maximum thread length, 0.891 inches minimum and 0.937 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: 0.381 inches minimum and 0.447 inches maximum
Fastener Length: 0.891 inches minimum and 0.937 inches maximum
Head Style: hexagon
Head Height: 0.109 inches minimum and 0.141 inches maximum
Width Between Flats: 0.365 inches minimum and 0.377 inches maximum
Nominal Thread Diameter: 0.190 inches
Features Provided: finished head
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-b-6812 mil spec single treatment response overall
Thread Series Designator: unf

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
LK21095-3008	Hexagon Head Cap Screw
MS21095-3008	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-500-1288?

The FSCG of the NSN 5305-00-500-1288 is 5305

Does the NSN 5305-00-500-1288 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-500-1288 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 5305-00-500-1288 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-500-1288 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 5305-00-500-1288 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Jul 6, 1974