5305-01-021-3438

Find complete technical information, availability, and procurement data for: 5305-01-021-3438
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-021-3438

Item Name Code

06657

Assigment Date

05/14/1976 (50 years ago)

right-hand thread direction, 0.469 inches minimum and 0.500 inches maximum fastener length, 0.438 inches nominal thread length, flat countersunk 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: 0.438 inches nominal
Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: flat countersunk
Head Diameter: 0.319 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 27.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 100.0 degrees nominal
Screw Material: steel
Screw Material Document And Classification: mil-s-7839 mil spec single material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas514 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
NAS514-832-8	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-021-3438?

The FSCG of the NSN 5305-01-021-3438 is 5305

Does the NSN 5305-01-021-3438 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-021-3438 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 5305-01-021-3438 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-021-3438 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 5305-01-021-3438 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, May 14, 1976