5305-01-191-2080

Find complete technical information, availability, and procurement data for: 5305-01-191-2080
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-191-2080

Item Name Code

16282

Assigment Date

10/07/1984 (41 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, 0.625 inches nominal fastener length, right-hand thread direction, 0.625 inches nominal thread length, 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
Thread Length: 0.625 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.262 inches minimum and 0.270 inches maximum
Head Height: 0.159 inches minimum and 0.164 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.1406 inches minimum and 0.1426 inches maximum
Thread Quantity Per Inch: 32
Hardness Rating: 25.0 rockwell c minimum and 31.0 rockwell c maximum overall
Material: steel comp 410 overall
Material Document And Classification: ams5613 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: s+151,fscm 66503 mfr ref single treatment response overall
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
1037-646	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-191-2080?

The FSCG of the NSN 5305-01-191-2080 is 5305

Does the NSN 5305-01-191-2080 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-191-2080 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 5305-01-191-2080 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-191-2080 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 5305-01-191-2080 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Oct 7, 1984