5305-01-157-6336

Find complete technical information, availability, and procurement data for: 5305-01-157-6336
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-157-6336

Item Name Code

16282

Assigment Date

07/09/1983 (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.

flat chamfer head style, 2a thread class, 1.250 inches nominal thread length, 1.370 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: 1.250 inches nominal
Fastener Length: 1.370 inches nominal
Head Style: flat chamfer
Head Diameter: 0.912 inches minimum and 0.938 inches maximum
Head Height: 0.616 inches minimum and 0.625 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.625 inches
Width Across Flats: 0.500 inches minimum and 0.503 inches maximum
Thread Quantity Per Inch: 11
Criticality Code Justification: zzzy
Special Features: the item is castellated,with the slots 0.187 in. apart
Material: nickel alloy overall
Thread Series Designator: unc
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
MSC70001-412 DET 11	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-157-6336?

The FSCG of the NSN 5305-01-157-6336 is 5305

Does the NSN 5305-01-157-6336 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-157-6336 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 5305-01-157-6336 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-157-6336 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 5305-01-157-6336 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jul 9, 1983