5305-01-387-9393

Find complete technical information, availability, and procurement data for: 5305-01-387-9393
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-387-9393

Item Name Code

18257

Assigment Date

03/16/1994 (32 years ago)

2a thread class, 0.500 inches nominal fastener length, hexagon head style, 0.400 inches minimum and 0.500 inches maximum thread length, right-hand thread direction

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: 0.400 inches minimum and 0.500 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 120000 pounds per square inch
Minimum Yield Strength: 95000 pounds per square inch
Material: steel comp 316 overall
Material Document And Classification: astm a593 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: astm a380 assn std 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
"1/4-20UNC-2A X 1/2" LG, GR 304"	Hexagon Head Cap Screw
1/4-20UN2-2AX1/2LGTY1GR316	Hexagon Head Cap Screw
MS35307-303 CRE S 304 ONLY	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-387-9393?

The FSCG of the NSN 5305-01-387-9393 is 5305

Does the NSN 5305-01-387-9393 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-387-9393 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 5305-01-387-9393 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-387-9393 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 5305-01-387-9393 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Mar 16, 1994