3M46-4-8

View detailed technical data, stock status, and sourcing information for: 3M46-4-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-232-4507

Item Name Code

29294

Assigment Date

10/19/1970 (55 years ago)

0.953 inches minimum and 1.000 inches maximum fastener length, 3a thread class, 0.443 inches minimum and 0.500 inches maximum thread length, right-hand thread direction, flat countersunk undercut head style

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: 0.443 inches minimum and 0.500 inches maximum
Fastener Length: 0.953 inches minimum and 1.000 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.464 inches minimum and 0.506 inches maximum
Head Height: 0.0713 inches minimum and 0.0733 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.4267 inches minimum and 0.4387 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp 4130 or steel comp 4140 or steel comp 4340 or steel comp 8740 or steel comp 8735 overall
Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-5626 mil spec 2nd material response or mil-s-5000 mil spec 3rd material response or mil-s-6049 mil spec 4th material response or mil-s-6098 mil spec 5th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-237-5117	No Name Available	07/01/2001

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
3M46-4-8	Close Tolerance Screw
54266-4-8	Close Tolerance Screw
642AS0685-10	Close Tolerance Screw
HT408A-4-8	Close Tolerance Screw
HT4UA-8	Close Tolerance Screw
HT4UA-CA-4-8	Close Tolerance Screw
HTS467-4-8	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-232-4507?

The FSCG of the NSN 5305-00-232-4507 is 5305

Does the NSN 5305-00-232-4507 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-232-4507 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 5305-00-232-4507 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-232-4507 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 5305-00-232-4507 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Oct 19, 1970