218031781

View detailed technical data, stock status, and sourcing information for: 218031781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-690-4991

Item Name Code

16282

Assigment Date

08/14/2020 (6 years ago)

"a generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes:the major generator of "generating sets". For generators specifically designed for aircraft use and not mounted on the engine, see generator, direct current."

2.562 inches nominal thread length, flat chamfer head style, right-hand thread direction, 2.125 inches nominal fastener 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: 2.562 inches nominal
Fastener Length: 2.125 inches nominal
Head Style: flat chamfer
Head Diameter: 0.562 inches nominal
Head Height: 0.437 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 60000 pounds per square inch
Material: nickel alloy k-500 or nickel alloy 502 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
218031781	Socket Head Cap Screw
596-7410278-PN-22	Socket Head Cap Screw
B541-1400-PN-22	Socket Head Cap Screw
M1222SN6C340NCLN	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-690-4991?

The FSCG of the NSN 5305-01-690-4991 is 5305

Does the NSN 5305-01-690-4991 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-690-4991 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 5305-01-690-4991 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-690-4991 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 5305-01-690-4991 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Fri, Aug 14, 2020