A032-2403

View detailed technical data, stock status, and sourcing information for: A032-2403
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-359-4729

Item Name Code

06657

Assigment Date

06/05/1992 (34 years ago)

3a thread class, 0.599 inches minimum and 0.629 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.425 inches nominal 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: 0.425 inches nominal
Fastener Length: 0.599 inches minimum and 0.629 inches maximum
Head Style: flat countersunk
Head Diameter: 0.461 inches nominal
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5000 mil spec single material response or mil-s- mil spec 1st material response or mil-s-6049 mil spec 2nd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response
Bearing Surface Of Head Surface Finish: 32.0 microinches
Shank Surface Finish: 32.0 microinches
Thread Surface Finish: 32.0 microinches
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
A032-2403	Machine Screw
LE111-0032-2403	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-359-4729?

The FSCG of the NSN 5305-01-359-4729 is 5305

Does the NSN 5305-01-359-4729 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-359-4729 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 5305-01-359-4729 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-359-4729 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 5305-01-359-4729 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Jun 5, 1992