5305-01-239-3507

Find complete technical information, availability, and procurement data for: 5305-01-239-3507
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-239-3507

Item Name Code

06657

Assigment Date

08/28/1986 (39 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.

0.100 inches minimum and 0.140 inches maximum thread length, right-hand thread direction, 0.178 inches minimum and 0.198 inches maximum fastener length, double hexagon w/ hole head style, 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: 0.100 inches minimum and 0.140 inches maximum
Fastener Length: 0.178 inches minimum and 0.198 inches maximum
Head Style: double hexagon w/ hole
Head Height: 0.200 inches minimum and 0.220 inches maximum
Width Between Flats: 0.188 inches nominal
Extended Washer Diameter: 0.260 inches minimum and 0.280 inches maximum
Extended Washer Thickness: 0.030 inches minimum
Hole Diameter: 0.037 inches minimum and 0.057 inches maximum
Nominal Thread Diameter: 0.138 inches
Hole Quantity: 4
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 35.0 rockwell c maximum
Screw Material: iron alloy 660
Screw Material Document And Classification: ams5731 assn std single material response
Head Hole Configuration Style: double hexagon longitudinal hole
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
MS9563-01	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-239-3507?

The FSCG of the NSN 5305-01-239-3507 is 5305

Does the NSN 5305-01-239-3507 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-239-3507 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 5305-01-239-3507 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-239-3507 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 5305-01-239-3507 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Aug 28, 1986