5305-01-389-6386

Find complete technical information, availability, and procurement data for: 5305-01-389-6386
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-389-6386

Item Name Code

06657

Assigment Date

04/27/1994 (32 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, flat chamfer head style, 0.250 inches maximum thread length, right-hand thread direction, 0.220 inches minimum and 0.250 inches maximum fastener 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: 0.250 inches maximum
Fastener Length: 0.220 inches minimum and 0.250 inches maximum
Head Style: flat chamfer
Head Diameter: 0.134 inches minimum and 0.140 inches maximum
Head Height: 0.083 inches minimum and 0.086 inches maximum
Width Between Flats: 0.0781 inches minimum and 0.0791 inches maximum
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 64
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 42.0 rockwell c maximum
Screw Material: iron alloy 660
Screw Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Thread Series Designator: unrf
Specification/Standard Data: 80205-nas1351 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
NAS1351N02-4	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-389-6386?

The FSCG of the NSN 5305-01-389-6386 is 5305

Does the NSN 5305-01-389-6386 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-389-6386 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 5305-01-389-6386 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-389-6386 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 5305-01-389-6386 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Apr 27, 1994