438-6726442-5B

View detailed technical data, stock status, and sourcing information for: 438-6726442-5B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-441-3681

Item Name Code

40280

Assigment Date

02/11/1997 (29 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

2b right internal thread class, right-hand left external thread direction, 2a left external thread class, right-hand right internal thread direction, 0.3750 inches nominal left external 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: 2a left external
Thread Class: 2b right internal
Thread Direction: right-hand left external
Thread Direction: right-hand right internal
Thread Length: 0.3750 inches nominal left external
Thread Length: 0.4375 inches nominal right internal
Length: 0.5000 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.2500 inches nominal
Thread Quantity Per Inch: 32 left external
Thread Quantity Per Inch: 32 right internal
Nominal Thread Size: 0.1640 inches left external
Nominal Thread Size: 0.1640 inches right internal
Right Projection Diameter: 0.1640 inches nominal
Right Projection Length: 0.3750 inches nominal
Material: steel comp 203ez or steel comp 303 or steel comp 303 plus x or steel comp 303ma or steel comp 303pb or steel comp 303se or steel comp 416 or steel comp 416 plus x or steel comp 430f or steel comp 430fse or steel comp 416se or steel comp 420f or steel comp 440fse standoff
Material Document And Classification: astm-a-581 assn std single material response or astm-a-582 assn std single material response standoff
Style Designator: left internal and right external thread
Thread Series Designator: unc left external
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
438-6726442-5B	Spacing Threaded Standoff
SS-7304-832-0	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-441-3681?

The FSCG of the NSN 5340-01-441-3681 is 5340

Does NSN 5340-01-441-3681 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 5340-01-441-3681 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-441-3681 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 5340-01-441-3681 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Feb 11, 1997