5305-01-687-8266

Find complete technical information, availability, and procurement data for: 5305-01-687-8266
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-687-8266

Item Name Code

18257

Assigment Date

04/21/2020 (6 years ago)

3.440 inches minimum and 3.500 inches maximum fastener length, right-hand thread direction, 0.875 inches minimum thread 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: 0.875 inches minimum
Fastener Length: 3.440 inches minimum and 3.500 inches maximum
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter: 0.312 inches
Features Provided: finished head
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 34.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae j429 gr5 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty2 assn std single treatment response overall
Thread Series Designator: unc

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
M1222RN5C256NCNN	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-687-8266?

The FSCG of the NSN 5305-01-687-8266 is 5305

Does the NSN 5305-01-687-8266 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-687-8266 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 5305-01-687-8266 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-687-8266 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 5305-01-687-8266 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Tue, Apr 21, 2020