5305-00-812-8503

Find complete technical information, availability, and procurement data for: 5305-00-812-8503
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-812-8503

Item Name Code

16282

Assigment Date

01/01/1962 (64 years ago)

0.533 inches minimum and 0.625 inches maximum thread length, flat chamfer head style, right-hand thread direction, 0.595 inches minimum and 0.625 inches maximum fastener length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.533 inches minimum and 0.625 inches maximum
Fastener Length: 0.595 inches minimum and 0.625 inches maximum
Head Style: flat chamfer
Head Diameter: 0.262 inches minimum and 0.270 inches maximum
Head Height: 0.159 inches minimum and 0.164 inches maximum
Hole Diameter: 0.044 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.140 inches minimum and 0.143 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Hole Configuration Style: round longitudinal hole
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-821-4891	No Name Available	05/08/1979
5305-00-855-7329	No Name Available	03/25/1970
5305-00-998-8467	No Name Available	06/01/2002

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
124639	Socket Head Cap Screw
36A227602P10	Socket Head Cap Screw
MS24677-16	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-812-8503?

The FSCG of the NSN 5305-00-812-8503 is 5305

Does the NSN 5305-00-812-8503 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-812-8503 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 5305-00-812-8503 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-812-8503 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 5305-00-812-8503 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962