5305-00-843-9474

Find complete technical information, availability, and procurement data for: 5305-00-843-9474
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-843-9474

Item Name Code

18257

Assigment Date

01/01/1962 (64 years ago)

hexagon head style, 3a thread class, 1.250 inches nominal fastener length, right-hand thread direction, 1.000 inches nominal thread length

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: 1.000 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.312 inches nominal
Width Between Flats: 0.725 inches minimum and 0.750 inches maximum
Locking Feature: strip or patch or pellet threads
Nominal Thread Diameter: 0.500 inches
Features Provided: unfinished head
Thread Quantity Per Inch: 13
Material: plastic polyamide (nylon) locking feature
Material: steel corrosion resisting overall
Material Document And Classification: astma484, 300 series assn std single material response overall
Material Document And Classification: l-p-410 fed spec single material response locking feature
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-811-8285	No Name Available	11/25/2003

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
1621135	Hexagon Head Cap Screw
5305PL0971042	Hexagon Head Cap Screw
A720050C125	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-843-9474?

The FSCG of the NSN 5305-00-843-9474 is 5305

Does the NSN 5305-00-843-9474 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-843-9474 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 5305-00-843-9474 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-843-9474 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 5305-00-843-9474 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962