5305-01-727-5030

Find complete technical information, availability, and procurement data for: 5305-01-727-5030
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-727-5030

Item Name Code

18257

Assigment Date

03/06/2025 (1 year ago)

A cylindrical item designed for stationary mounting in a valve to regulate and quiet the flow of liquids or gases. The flow is regulated by a series of passages such as drilled holes, slots, or the like. It is normally used on a submarine for a quiet operation.

right-hand thread direction, 0.750 inches nominal thread length, 1.375 inches nominal fastener length, hexagon head style, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches nominal
Fastener Length: 1.375 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
End Item Identification: 2350-017084509
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
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
AES01C250A37AW9MF1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-727-5030?

The FSCG of the NSN 5305-01-727-5030 is 5305

Does the NSN 5305-01-727-5030 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-727-5030 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 5305-01-727-5030 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-727-5030 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 5305-01-727-5030 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Thu, Mar 6, 2025