5305-01-331-7197

Find complete technical information, availability, and procurement data for: 5305-01-331-7197
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-331-7197

Item Name Code

16282

Assigment Date

12/24/1990 (35 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.

0.250 inches minimum and 0.312 inches maximum thread length, 0.296 inches minimum and 0.328 inches maximum fastener length, 2a thread class, right-hand thread direction, flat chamfer head style

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: 0.250 inches minimum and 0.312 inches maximum
Fastener Length: 0.296 inches minimum and 0.328 inches maximum
Head Style: flat chamfer
Head Diameter: 0.218 inches minimum and 0.226 inches maximum
Head Height: 0.134 inches minimum and 0.138 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.1094 inches minimum and 0.1111 inches maximum
Thread Quantity Per Inch: 32
Material: steel corrosion resisting overall
Surface Treatment: passivate 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
N171P13005	Socket Head Cap Screw
N171P13005-1	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-331-7197?

The FSCG of the NSN 5305-01-331-7197 is 5305

Does the NSN 5305-01-331-7197 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-331-7197 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 5305-01-331-7197 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-331-7197 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 5305-01-331-7197 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Dec 24, 1990