689-1138-001

View detailed technical data, stock status, and sourcing information for: 689-1138-001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-445-4140

Item Name Code

40280

Assigment Date

06/02/1997 (29 years ago)

Two or more complete switches mounted on each other or having a common mounting the major function of which is to hold the switches. Each switch, as a separable item, must be capable of functioning in accordance with its own name. Excludes:items consisting of individually separable switches which are physically interlocked (e.g., one button returns when the other is pushed), which have a common actuator, or are electrically connected. See also switch, push.

right-hand right external thread direction, 2b left internal (includes thru thread) thread class, 2b right external thread class, 0.2500 inches nominal right external thread length, 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: 2b left internal (includes thru thread)
Thread Class: 2b right external
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.2500 inches nominal right external
Thread Length: 0.1900 inches nominal left internal (includes thru thread)
Diameter: 0.2500 inches nominal
Length: 0.3200 inches nominal
Cross-Sectional Shape: round
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Thread Quantity Per Inch: 40 right external
Nominal Thread Size: 0.1120 inches left internal (includes thru thread)
Nominal Thread Size: 0.1120 inches right external
Right Projection Diameter: 0.1120 inches nominal
Right Projection Length: 0.2500 inches nominal
Material: steel comp 303 standoff
Material Document And Classification: astm-a-582 assn std single material response 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: 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
689-1138-001	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-445-4140?

The FSCG of the NSN 5340-01-445-4140 is 5340

Does NSN 5340-01-445-4140 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 5340-01-445-4140 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-445-4140 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 5340-01-445-4140 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Jun 2, 1997