81311S4105-457583

View detailed technical data, stock status, and sourcing information for: 81311S4105-457583
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-207-2095

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

2a thread class, 1.500 inches nominal fastener length, hexagon head style, right-hand thread direction, 1.125 inches minimum and 1.313 inches maximum 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: 2a
Thread Direction: right-hand
Thread Length: 1.125 inches minimum and 1.313 inches maximum
Fastener Length: 1.500 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
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 69000 pounds per square inch
Hardness Rating: 100.0 rockwell b maximum overall
Minimum Yield Strength: 55000 pounds per square inch
Hole Configuration Style: hexagon flats
Material: steel overall
Material Document And Classification: sae gr 2 assn std single material response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 2 type and 10 style
Departure From Cited Designator: as modified by head hole configuration

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-638-4827	No Name Available	05/17/1971

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
318512	Hexagon Head Cap Screw
322044PC75	Hexagon Head Cap Screw
322660PC136	Hexagon Head Cap Screw
322660PC61	Hexagon Head Cap Screw
322661PC136	Hexagon Head Cap Screw
322661PC61	Hexagon Head Cap Screw
81311S4105-457583	Hexagon Head Cap Screw
81311S4105-457595	Hexagon Head Cap Screw
81311S4105-457649	Hexagon Head Cap Screw
81311S4105-457652	Hexagon Head Cap Screw
AB288	Hexagon Head Cap Screw
AMC61S41-366PCAB288	Hexagon Head Cap Screw
AMC61S41-388PCAB288	Hexagon Head Cap Screw
AMC61S41-389PCAB288	Hexagon Head Cap Screw
EC8000BPCAB288	Hexagon Head Cap Screw
EC8000PCAB288	Hexagon Head Cap Screw
HR21637	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-207-2095?

The FSCG of the NSN 5305-00-207-2095 is 5305

Does the NSN 5305-00-207-2095 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-207-2095 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 5305-00-207-2095 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-207-2095 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 5305-00-207-2095 was assigned to the Federal Catalog?

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