7S39-3A2

View detailed technical data, stock status, and sourcing information for: 7S39-3A2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-857-5824

Item Name Code

06657

Assigment Date

03/15/1967 (59 years ago)

flat countersunk head style, 0.448 inches minimum and 0.478 inches maximum fastener length, right-hand thread direction, 0.313 inches minimum and 0.363 inches maximum thread length, 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: 0.313 inches minimum and 0.363 inches maximum
Fastener Length: 0.448 inches minimum and 0.478 inches maximum
Head Style: flat countersunk
Head Diameter: 0.297 inches minimum and 0.302 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4130
Screw Material Document And Classification: mil-s-6758 mil spec single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response
Thread Series Designator: unf

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
5305PL1491892	Machine Screw
7S39-3A2	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-857-5824?

The FSCG of the NSN 5305-00-857-5824 is 5305

Does the NSN 5305-00-857-5824 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-857-5824 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 5305-00-857-5824 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-857-5824 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 5305-00-857-5824 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Mar 15, 1967