5305-01-255-3438

Find complete technical information, availability, and procurement data for: 5305-01-255-3438
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-255-3438

Item Name Code

06672

Assigment Date

05/19/1987 (39 years ago)

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

headless (setscrew) head style, right-hand thread direction, 3a thread class, 0.240 inches minimum and 0.260 inches maximum fastener length, 0.240 inches minimum and 0.260 inches maximum 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: 0.240 inches minimum and 0.260 inches maximum
Fastener Length: 0.240 inches minimum and 0.260 inches maximum
Head Style: headless (setscrew)
Point Style: flat
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 24
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 1 type and 1 style

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
MS51966-134	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-255-3438?

The FSCG of the NSN 5305-01-255-3438 is 5305

Does the NSN 5305-01-255-3438 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-255-3438 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 5305-01-255-3438 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-255-3438 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 5305-01-255-3438 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, May 19, 1987