H50-0003-603

View detailed technical data, stock status, and sourcing information for: H50-0003-603
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-409-0976

Item Name Code

40280

Assigment Date

03/06/1995 (31 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3a right external thread class, right-hand right external thread direction, 3b left internal (includes thru thread) thread class, right-hand left internal (includes thru thread) thread direction, 0.204 inches nominal right 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: 3a right external
Thread Class: 3b left internal (includes thru thread)
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.204 inches nominal right external
Length: 0.375 millimeters nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right external
Nominal Thread Size: 0.138 inches left internal (includes thru thread)
Nominal Thread Size: 0.138 inches right external
Part Name Assigned By Controlling Agency: standoff, threaded, male/female
Left Counterbore Depth: 0.375 millimeters nominal
Left Counterbore Diameter: 0.138 millimeters nominal
Right Projection Diameter: 0.138 millimeters nominal
Right Projection Length: 0.250 millimeters nominal
Material: steel comp 203ez or steel comp 303 or steel comp 416 or steel comp 430f or steel comp 430fse overall
Material Document And Classification: astm-a-581 national spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 mil spec single treatment response overall
Style Designator: left internal and right external thread
Thread Series Designator: unc left internal (includes thru thread)
Thread Series Designator: unc right external

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
10113313	Spacing Threaded Standoff
2037AS955-01	Spacing Threaded Standoff
4532-632-SS-20	Spacing Threaded Standoff
710649-009	Spacing Threaded Standoff
H50-0003-603	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-409-0976?

The FSCG of the NSN 5340-01-409-0976 is 5340

Does NSN 5340-01-409-0976 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 5340-01-409-0976 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-409-0976 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 5340-01-409-0976 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Mon, Mar 6, 1995