8390-A-0832-17

View detailed technical data, stock status, and sourcing information for: 8390-A-0832-17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-477-1139

Item Name Code

40280

Assigment Date

07/31/2000 (25 years ago)

An item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also relay, motor driven; timer, interval; keyer (as modified); chronometer, make-break circuit and intervalometer (as modified).

2b left internal (includes thru thread) thread class, right-hand left internal (includes thru thread) thread direction, 0.250 inches nominal length, hexagon cross-sectional shape, 0.250 inches nominal left internal (includes thru thread) 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: 2b left internal (includes thru thread)
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.250 inches nominal left internal (includes thru thread)
Length: 0.250 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Nominal Thread Size: 0.164 inches left internal (includes thru thread)
Material: aluminum overall
Surface Treatment: chromate overall
Surface Treatment Document And Classification: mil-c-5541 mil spec single treatment response overall
Style Designator: left internal thread
Thread Series Designator: unc left internal (includes thru thread)

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
8390-A-0832-17	Spacing Threaded Standoff
H50-0029-804	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-477-1139?

The FSCG of the NSN 5340-01-477-1139 is 5340

Does NSN 5340-01-477-1139 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 5340-01-477-1139 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-477-1139 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 5340-01-477-1139 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Mon, Jul 31, 2000