5305-01-481-5351

Find complete technical information, availability, and procurement data for: 5305-01-481-5351
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-481-5351

Item Name Code

18257

Assigment Date

01/11/2001 (25 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

1.000 inches nominal thread length, 1.000 inches nominal fastener length, 2a thread class, flat chamfer head style, 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: 1.000 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Material: steel overall
Thread Series Designator: unc
Specification/Standard Data: 81349mil-s-1222 government specification

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
122-2422386 PIECE 190	Hexagon Head Cap Screw
122-2422417 PIECE 190	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-481-5351?

The FSCG of the NSN 5305-01-481-5351 is 5305

Does the NSN 5305-01-481-5351 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-481-5351 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 5305-01-481-5351 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-481-5351 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 5305-01-481-5351 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Thu, Jan 11, 2001