5305-00-366-2856

Find complete technical information, availability, and procurement data for: 5305-00-366-2856
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-366-2856

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 1.250 inches minimum thread length, 3a thread class, hexagon head style, 1.344 inches minimum and 1.406 inches maximum fastener 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: 1.250 inches minimum
Fastener Length: 1.344 inches minimum and 1.406 inches maximum
Head Style: hexagon
Head Height: 0.365 inches minimum and 0.386 inches maximum
Width Between Flats: 0.737 inches minimum and 0.750 inches maximum
Hole Diameter: 0.094 inches nominal
Nominal Thread Diameter: 0.500 inches
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 20
Hardness Rating: 28.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Material: steel overall
Material Document And Classification: n.f. 8339,fscm 24617 mfr ref single material response overall
Thread Series Designator: unf

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
8028287	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-366-2856?

The FSCG of the NSN 5305-00-366-2856 is 5305

Does the NSN 5305-00-366-2856 have a Schedule B code assigned?

Yes, the Schedule B code is 7318159000

Does NSN 5305-00-366-2856 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 5305-00-366-2856 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-366-2856 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 5305-00-366-2856 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963