5305-01-276-5820

Find complete technical information, availability, and procurement data for: 5305-01-276-5820
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-276-5820

Item Name Code

29294

Assigment Date

04/09/1988 (38 years ago)

3a thread class, right-hand thread direction, flat countersunk head style, 1.111 inches minimum and 1.141 inches maximum fastener length, 0.476 inches minimum and 0.526 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: 0.476 inches minimum and 0.526 inches maximum
Fastener Length: 1.111 inches minimum and 1.141 inches maximum
Head Style: flat countersunk
Head Diameter: 0.578 inches minimum and 0.634 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 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 5732 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-nas1580 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
NAS1580C5T10	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-276-5820?

The FSCG of the NSN 5305-01-276-5820 is 5305

Does the NSN 5305-01-276-5820 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-276-5820 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 5305-01-276-5820 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-276-5820 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 5305-01-276-5820 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Apr 9, 1988