5305-00-331-4851

Find complete technical information, availability, and procurement data for: 5305-00-331-4851
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-331-4851

Item Name Code

22846

Assigment Date

12/16/1973 (52 years ago)

flat countersunk undercut head style, 0.443 inches minimum and 0.510 inches maximum thread length, right-hand thread direction, 0.828 inches minimum and 0.875 inches maximum fastener 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: 0.443 inches minimum and 0.510 inches maximum
Fastener Length: 0.828 inches minimum and 0.875 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.501 inches minimum and 0.506 inches maximum
Head Height: 0.0652 inches minimum and 0.0672 inches maximum
Shoulder Diameter: 0.2641 inches minimum and 0.2651 inches maximum first shoulder
Shoulder Length: 0.264 inches minimum and 0.286 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 100.0 degrees nominal
Shoulder Shape: round first shoulder
Special Features: furnished with one rubber o ring
Material: steel comp 4140 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 4130 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 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: 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
3M50-4-6	Shoulder Screw
54267-4-6	Shoulder Screw
HT409A4-6	Shoulder Screw
HT41UA6	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-331-4851?

The FSCG of the NSN 5305-00-331-4851 is 5305

Does the NSN 5305-00-331-4851 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-331-4851 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 5305-00-331-4851 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-331-4851 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 5305-00-331-4851 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Dec 16, 1973