ST3M958-4D14

View detailed technical data, stock status, and sourcing information for: ST3M958-4D14
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-149-3057

Item Name Code

22846

Assigment Date

03/18/1983 (43 years ago)

flat countersunk head style, 3a thread class, 1.176 inches minimum and 1.206 inches maximum fastener length, 0.291 inches minimum and 0.341 inches maximum thread length, right-hand thread direction

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: 0.291 inches minimum and 0.341 inches maximum
Fastener Length: 1.176 inches minimum and 1.206 inches maximum
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Shoulder Diameter: 0.2646 inches minimum and 0.2651 inches maximum first shoulder
Shoulder Length: 0.766 inches minimum and 0.786 inches maximum first shoulder
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.081 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.053 inches minimum and 1.093 inches maximum first hole
Shoulder Shape: round first shoulder
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
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
3M958-4D14	Shoulder Screw
HT4049-4D14X	Shoulder Screw
ST3M958-4D14	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-149-3057?

The FSCG of the NSN 5305-01-149-3057 is 5305

Does the NSN 5305-01-149-3057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-149-3057 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 5305-01-149-3057 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-149-3057 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 5305-01-149-3057 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Mar 18, 1983