NAS1786-C3-16

View detailed technical data, stock status, and sourcing information for: NAS1786-C3-16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-400-0504

Item Name Code

40280

Assigment Date

12/07/1994 (31 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

3b right internal thread class, 3b left internal (includes thru thread) thread class, 0.5000 inches nominal left internal (includes thru thread) thread length, right-hand right internal thread direction, right-hand left internal (includes thru thread) 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: 3b left internal (includes thru thread)
Thread Class: 3b right internal
Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.5000 inches nominal left internal (includes thru thread)
Thread Length: 0.5000 inches nominal right internal
Length: 1.0000 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.3710 inches minimum and 0.3790 inches maximum
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right internal
Nominal Thread Size: 0.1900 inches left internal (includes thru thread)
Nominal Thread Size: 0.1900 inches right internal
Material: steel comp 303 or steel comp 303se standoff
Material Document And Classification: qq-s-764 fed spec single material response standoff
Surface Treatment: passivate standoff
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response or mil-s-5002 mil spec single treatment response or mil-f-14072 mil spec single treatment response standoff
Style Designator: left internal and right internal threads
Thread Series Designator: unf left internal (includes thru thread)
Thread Series Designator: unf 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
NAS1786-C3-16	Spacing Threaded Standoff
NAS1786C3-16	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-400-0504?

The FSCG of the NSN 5340-01-400-0504 is 5340

Does NSN 5340-01-400-0504 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 5340-01-400-0504 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-400-0504 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 5340-01-400-0504 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Dec 7, 1994