5305-01-148-2646

Find complete technical information, availability, and procurement data for: 5305-01-148-2646
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-148-2646

Item Name Code

18257

Assigment Date

03/03/1983 (43 years ago)

2a thread class, hexagon head style, 1.150 inches minimum thread length, right-hand thread direction, 4.950 inches minimum and 5.000 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: 2a
Thread Direction: right-hand
Thread Length: 1.150 inches minimum
Fastener Length: 4.950 inches minimum and 5.000 inches maximum
Head Style: hexagon
Head Height: 0.460 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae grade 8 assn std all material responses overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: gm 4435-m code a type 72 fscm 11862 mfr ref single treatment response overall
Thread Series Designator: unrc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-151-9941	No Name Available	05/01/1993

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
12337919	Hexagon Head Cap Screw
334972	Hexagon Head Cap Screw
6262211	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-148-2646?

The FSCG of the NSN 5305-01-148-2646 is 5305

Does the NSN 5305-01-148-2646 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-148-2646 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 5305-01-148-2646 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-148-2646 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 5305-01-148-2646 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Mar 3, 1983