5305-01-727-5184

Find complete technical information, availability, and procurement data for: 5305-01-727-5184
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-727-5184

Item Name Code

18257

Assigment Date

03/07/2025 (1 year ago)

A spherical metal inclosure for a diver's head, designed for use with a diver's dress. Usually furnished with a breastplate of like material. Excludes:helmet, deep-sea diver's, helium-oxygen. See also helmet, shallow water diver's.

2a thread class, 1.375 inches nominal fastener length, 1.250 inches nominal thread length, right-hand thread direction, 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: 1.250 inches nominal
Fastener Length: 1.375 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
End Item Identification: 2350-017084509
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Part Name Assigned By Controlling Agency: screws, cap, hex (finished hex bolt)
Material: steel overall
Material Document And Classification: astm a354, grade bd american society for testing and materials (astm) single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633, type vi, sc 2 national std/spec single treatment response overall
Thread Series Designator: unc
Specification/Standard Data: 05047-asme b18.24-2023 professional/industrial association standard

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
AES01C500A37AW9MF1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-727-5184?

The FSCG of the NSN 5305-01-727-5184 is 5305

Does the NSN 5305-01-727-5184 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-727-5184 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 5305-01-727-5184 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-727-5184 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 5305-01-727-5184 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Fri, Mar 7, 2025