5305-01-263-8500

Find complete technical information, availability, and procurement data for: 5305-01-263-8500
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-263-8500

Item Name Code

29294

Assigment Date

09/20/1987 (38 years ago)

An item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see nut (1), stamped. For similar items which are flat on top and bottom see nut (1), sleeve or post, electrical-mechanical equipment.

1.152 inches minimum and 1.199 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 3a thread class, 0.454 inches minimum and 0.521 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: 3a
Thread Direction: right-hand
Thread Length: 0.454 inches minimum and 0.521 inches maximum
Fastener Length: 1.152 inches minimum and 1.199 inches maximum
Head Style: flat countersunk
Head Diameter: 0.578 inches minimum and 0.633 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Part Name Assigned By Controlling Agency: navy special project
Special Features: internal drive ribbed
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response overall
Thread Series Designator: unjf

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
HR204-5-11	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-263-8500?

The FSCG of the NSN 5305-01-263-8500 is 5305

Does the NSN 5305-01-263-8500 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-263-8500 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 5305-01-263-8500 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-263-8500 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 5305-01-263-8500 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Sep 20, 1987