5340-01-446-2148

Find complete technical information, availability, and procurement data for: 5340-01-446-2148
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-446-2148

Item Name Code

40280

Assigment Date

06/26/1997 (29 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

0.500 inches minimum left internal (includes thru thread) thread length, 1.558 inches minimum and 1.568 inches maximum length, right-hand right external thread direction, right-hand left internal (includes thru thread) thread direction, 0.375 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 Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.500 inches minimum left internal (includes thru thread)
Thread Length: 0.375 inches nominal right external
Length: 1.558 inches minimum and 1.568 inches maximum
Cross-Sectional Shape: hexagon
Width Across Flats: 0.369 inches minimum and 0.381 inches maximum
Nominal Thread Size: 0.190 inches left internal (includes thru thread)
Nominal Thread Size: 0.190 inches right external
Right Projection Diameter: 0.190 inches nominal
Right Projection Length: 0.375 inches nominal
Material: steel comp 303 or steel comp 303se or steel comp 203ez overall
Material Document And Classification: astm a582 assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: left internal and right external thread
Thread Series Designator: unf left internal (includes thru thread)
Thread Series Designator: unf right external
Specification/Standard Data: 80205-nas1829 professional/industrial association standard

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
NAS1829C6J25	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-446-2148?

The FSCG of the NSN 5340-01-446-2148 is 5340

Does NSN 5340-01-446-2148 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 5340-01-446-2148 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-446-2148 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 5340-01-446-2148 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Jun 26, 1997