ST4M138-04-38

View detailed technical data, stock status, and sourcing information for: ST4M138-04-38
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-723-3942

Item Name Code

40280

Assigment Date

09/09/2024 (1 year ago)

Footwear made of rubber, leather, or other suitable material, designed to be worn by flying personnel. They may be used with antiexposure clothing and may be equipped with an air pressure release device.

2b left internal (includes thru thread) thread class, 0.500 inches nominal right internal thread length, right-hand left internal (includes thru thread) thread direction, 2b right internal thread class, right-hand right internal 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: 2b left internal (includes thru thread)
Thread Class: 2b right internal
Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.500 inches nominal right internal
Thread Length: 0.500 inches nominal left internal (includes thru thread)
Length: 3.790 inches minimum and 3.810 inches maximum
End Item Identification: f-15ex
Cross-Sectional Shape: hexagon
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Thread Quantity Per Inch: 40 right internal
Nominal Thread Size: 0.112 inches left internal (includes thru thread)
Nominal Thread Size: 0.112 inches right internal
Part Name Assigned By Controlling Agency: standoff,threaded,spacing
Material: aluminum alloy 2024 standoff
Material: steel insert
Material Document And Classification: ams-qq-a-225/6 or ams-qq-a-200/3 aerospace material spec std single material response standoff
Material Document And Classification: as7245 assn std single material response insert
Style Designator: left internal and right internal threads
Thread Series Designator: unc left internal (includes thru thread)
Thread Series Designator: unc right internal

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
ST4M138	Spacing Threaded Standoff
ST4M138-04-38	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-723-3942?

The FSCG of the NSN 5340-01-723-3942 is 5340

Does NSN 5340-01-723-3942 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 5340-01-723-3942 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-723-3942 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-723-3942 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Mon, Sep 9, 2024