9781-SS-0440-7

View detailed technical data, stock status, and sourcing information for: 9781-SS-0440-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-276-0929

Item Name Code

40280

Assigment Date

04/03/1988 (38 years ago)

A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.

0.250 inches nominal flange thickness, 2b left internal (includes thru thread)2a right external thread class, right-hand left internal (includes thru thread) thread direction, 0.188 inches nominal flange diameter, right-hand right external 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)2a right external
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Flange Diameter: 0.188 inches nominal
Flange Thickness: 0.250 inches nominal
Length: 0.438 inches nominal
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Thread Quantity Per Inch: 40 right external
Nominal Thread Size: 0.112 inches left internal (includes thru thread)
Nominal Thread Size: 0.112 inches right external
Material: steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303ma or steel comp 303pb or steel comp 203ez standoff
Material Document And Classification: astm a581 assn std all material responses standoff
Surface Treatment: passivate standoff
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response standoff
Style Designator: flanged with left internal 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
5543950-004	Spacing Threaded Standoff
9781-SS-0440	Spacing Threaded Standoff
9781-SS-0440-7	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-276-0929?

The FSCG of the NSN 5340-01-276-0929 is 5340

Does NSN 5340-01-276-0929 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 5340-01-276-0929 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-276-0929 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 5340-01-276-0929 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Apr 3, 1988