5305-00-709-8340

Find complete technical information, availability, and procurement data for: 5305-00-709-8340
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-709-8340

Item Name Code

18257

Assigment Date

01/01/1960 (66 years ago)

right-hand thread direction, 1.125 inches minimum and 1.313 inches maximum thread length, 4.000 inches nominal fastener length, 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: 1.125 inches minimum and 1.313 inches maximum
Fastener Length: 4.000 inches nominal
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae j429 gr8 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 2 type and 10p style and 8 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-832-4490	No Name Available	09/14/1966

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
B1821BH044F400N	Hexagon Head Cap Screw
MS90727-99	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-709-8340?

The FSCG of the NSN 5305-00-709-8340 is 5305

Does the NSN 5305-00-709-8340 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-709-8340 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 5305-00-709-8340 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-709-8340 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 5305-00-709-8340 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960