5305-01-204-9057

Find complete technical information, availability, and procurement data for: 5305-01-204-9057
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-204-9057

Item Name Code

18257

Assigment Date

04/01/1985 (41 years ago)

right-hand thread direction, 1.000 inches nominal thread length, hexagon head style, 1.625 inches nominal fastener length, 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: 1.000 inches nominal
Fastener Length: 1.625 inches nominal
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
Criticality Code Justification: zzzy
Material: copper alloy 651 overall
Material Document And Classification: qq-c-591 fed spec single material response overall
Surface Treatment: silver overall
Surface Treatment Document And Classification: qq-s-365 fed spec single treatment response overall
Thread Series Designator: unc
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
926B834H01	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-204-9057?

The FSCG of the NSN 5305-01-204-9057 is 5305

Does the NSN 5305-01-204-9057 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-204-9057 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 5305-01-204-9057 contain precious materials?

Item contains silver.

Does NSN 5305-01-204-9057 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 5305-01-204-9057 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Apr 1, 1985