5305-01-493-7418

Find complete technical information, availability, and procurement data for: 5305-01-493-7418
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-493-7418

Item Name Code

18257

Assigment Date

01/16/2002 (24 years ago)

A cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see head, valve. Excludes:cap, pneumatic valve.

1.000 inches nominal thread length, 4.400 inches minimum and 4.560 inches maximum fastener length, right-hand thread direction, 2a thread class, hexagon 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: 1.000 inches nominal
Fastener Length: 4.400 inches minimum and 4.560 inches maximum
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Surface Finish: 250.0 microinches sides of head
Surface Finish: 250.0 microinches top of head
Surface Finish: 250.0 microinches point
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
0.37516UNC2A4.500T1G5SEA	Hexagon Head Cap Screw
522C502019	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-493-7418?

The FSCG of the NSN 5305-01-493-7418 is 5305

Does NSN 5305-01-493-7418 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 5305-01-493-7418 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-493-7418 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 5305-01-493-7418 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Wed, Jan 16, 2002