5305-01-411-6387

Find complete technical information, availability, and procurement data for: 5305-01-411-6387
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-411-6387

Item Name Code

18257

Assigment Date

03/29/1995 (31 years ago)

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

hexagon head style, 2a thread class, 4.500 inches nominal thread length, 4.500 inches nominal fastener 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: 4.500 inches nominal
Fastener Length: 4.500 inches nominal
Head Style: hexagon
Head Height: 0.531 inches minimum and 0.563 inches maximum
Width Between Flats: 1.295 inches minimum and 1.312 inches maximum
Shank Unthreaded Hole Diameter: 0.140 inches nominal threads
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 14
Distance From Head Largest Bearing Surface To Shank Hole Center: 4.250 inches nominal threads
Material: steel overall
Material Document And Classification: grade 8 assn std single material response overall
Surface Treatment: phosphate zinc overall
Surface Treatment Document And Classification: dod-p-16232 tyz 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
MS51108-195	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-411-6387?

The FSCG of the NSN 5305-01-411-6387 is 5305

Does the NSN 5305-01-411-6387 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-411-6387 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 5305-01-411-6387 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-411-6387 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 5305-01-411-6387 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Mar 29, 1995