5305-01-381-9756

Find complete technical information, availability, and procurement data for: 5305-01-381-9756
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-381-9756

Item Name Code

18257

Assigment Date

10/26/1993 (32 years ago)

An item with a cylindrical shaped body having external threads other than pipe or hose series. It is desinged to mate into a preformed threaded component for the purpose of plugging a hole during equipment operation. It may have a head and/or internal drive and may contain a bleeder hole. See also plug, protective, dust and moisture seal and cap-plug, protective, dust and moisture seal. Excludes:plug, tube fitting, threaded.

hexagon head style, 2.500 inches nominal fastener length, 2.250 inches nominal thread length, 2a thread class, right-hand thread direction

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: 2.250 inches nominal
Fastener Length: 2.500 inches nominal
Head Style: hexagon
Head Height: 0.591 inches minimum and 0.627 inches maximum
Width Between Flats: 1.469 inches minimum and 1.500 inches maximum
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 8
Material: nickel alloy k-500 overall
Material Document And Classification: qq-n-286 fed spec single material 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
"MILS1222 1-8UNC -2A 2.5" LG"	Hexagon Head Cap Screw
1-8UNC-2A 2.5	Hexagon Head Cap Screw
M1222RN16C240NCNN	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-381-9756?

The FSCG of the NSN 5305-01-381-9756 is 5305

Does the NSN 5305-01-381-9756 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-381-9756 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 5305-01-381-9756 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-381-9756 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 5305-01-381-9756 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Oct 26, 1993