SS-7408-832-20

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-375-7251

Item Name Code

40280

Assigment Date

05/20/1993 (33 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

0.438 inches nominal length, 0.438 inches nominal left internal (includes thru thread)0.375 inches nominal right external thread length, right-hand left internal (includes thru thread)right-hand right external thread direction, 2b left internal (includes thru thread)2a right external thread class, hexagon cross-sectional shape

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 left internal (includes thru thread)right-hand right external
Thread Length: 0.438 inches nominal left internal (includes thru thread)0.375 inches nominal right external
Length: 0.438 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 32 left internal (includes thru thread)32 right external
Nominal Thread Size: 0.164 inches left internal (includes thru thread)0.164 inches right external
Left Projection Diameter: 0.312 inches nominal
Right Projection Diameter: 0.164 inches nominal
Right Projection Length: 0.375 inches nominal
Material: steel corrosion resisting overall
Thread Series Designator: unc left internal (includes thru thread)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
SS-7408-832-20	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-375-7251?

The FSCG of the NSN 5340-01-375-7251 is 5340

Does NSN 5340-01-375-7251 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 5340-01-375-7251 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-375-7251 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 5340-01-375-7251 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, May 20, 1993