5305-01-263-3708

Find complete technical information, availability, and procurement data for: 5305-01-263-3708
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-263-3708

Item Name Code

29294

Assigment Date

09/14/1987 (38 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

right-hand thread direction, flat countersunk head style, 3a thread class, 1.142 inches minimum and 1.172 inches maximum fastener length, 0.444 inches minimum and 0.494 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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.142 inches minimum and 1.172 inches maximum
Head Style: flat countersunk
Head Diameter: 0.577 inches minimum and 0.635 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: 180000 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
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1975 professional/industrial association standard

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
NAS1975C11T	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-263-3708?

The FSCG of the NSN 5305-01-263-3708 is 5305

Does the NSN 5305-01-263-3708 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-263-3708 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 5305-01-263-3708 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-263-3708 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 5305-01-263-3708 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Sep 14, 1987