3828954-1

View detailed technical data, stock status, and sourcing information for: 3828954-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-168-7321

Item Name Code

40280

Assigment Date

10/24/1970 (55 years ago)

right-hand right external thread direction, 0.472 inches nominal left internal (includes thru thread)0.375 inches nominal right external thread length, +0.2103 to 0.2123 inches left internal (includes thru thread) thread pitch diameters, 3a right external thread class, 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: 3a right external
Thread Pitch Diameters: +0.2103 to 0.2123 inches left internal (includes thru thread)
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.472 inches nominal left internal (includes thru thread)0.375 inches nominal right external
Flange Thickness: 0.620 inches minimum and 0.630 inches maximum
Length: 1.245 inches minimum and 1.255 inches maximum
Flange Width Across Flats: 0.438 inches nominal
Thread Quantity Per Inch: 28 right external
Nominal Thread Size: 0.250 inches right external
Special Features: o.060 in. diahole drilled thru two walls 0.412 in. from stud end
Material: steel comp 4130 standoff
Material Document And Classification: mil-s-6758 mil spec 1st material response or sae assn std 2nd material response standoff
Surface Treatment: cadmium standoff
Style Designator: flanged with left internal thread
Thread Series Designator: unf 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
3828954-1	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-00-168-7321?

The FSCG of the NSN 5340-00-168-7321 is 5340

Does NSN 5340-00-168-7321 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 5340-00-168-7321 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-168-7321 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 5340-00-168-7321 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Sat, Oct 24, 1970