5305-01-157-0878

Find complete technical information, availability, and procurement data for: 5305-01-157-0878
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-157-0878

Item Name Code

16282

Assigment Date

06/29/1983 (43 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.

hexagon internal drive style, lockwasher bearing surface of head locking feature, 0.625 inches nominal fastener length, right-hand thread direction, 3a thread class

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
Fastener Length: 0.625 inches nominal
Locking Feature: lockwasher bearing surface of head
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
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
5731726	Socket Head Cap Screw
97253	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-157-0878?

The FSCG of the NSN 5305-01-157-0878 is 5305

Does NSN 5305-01-157-0878 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 5305-01-157-0878 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-157-0878 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 5305-01-157-0878 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jun 29, 1983