5340-00-872-7978

Find complete technical information, availability, and procurement data for: 5340-00-872-7978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-872-7978

Item Name Code

28458

Assigment Date

01/01/1960 (66 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

2a thread class, 0.047 inches nominal vent hole diameter, 0.250 inches nominal thread length, 0.250 inches nominal length, 0.190 inches nominal outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Length: 0.250 inches nominal
Outside Diameter: 0.190 inches nominal
Length: 0.250 inches nominal
Vent Hole Diameter: 0.047 inches nominal
End Connection Type: threaded
Vent Hole Quantity: 1
Vent Hole Shape: round
Material: steel
Thread Size And Series/Type Designator: 10-32 unf

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
183176-851-4	Vent Plug
183176B851-4	Vent Plug

FAQs

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

What is the FSCG of the NSN 5340-00-872-7978?

The FSCG of the NSN 5340-00-872-7978 is 5340

Does the NSN 5340-00-872-7978 have a Schedule B code assigned?

Yes, the Schedule B code is 8421990080

Does NSN 5340-00-872-7978 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 5340-00-872-7978 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-872-7978 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 5340-00-872-7978 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960