255721 PIECE 27

View detailed technical data, stock status, and sourcing information for: 255721 PIECE 27
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-318-9741

Item Name Code

32528

Assigment Date

04/28/1990 (36 years ago)

A protective covering, usually perforated and/or meshed, specifically designed to protect a nonaircraft engine muffler and/or exhaust pipe. It prevents physical damage to exposed exhaust system parts and prevents possible injury to personnel while the unit is operating and immediately after operation.

1.250 inches valve size for which designed, threaded externally stem actuating end type, ball valve type for which designed, 4.500 inches nominal overall length, 0.875 inches nominal largest outside diameter

Product Characteristics

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

Overall Length: 4.500 inches nominal
Largest Outside Diameter: 0.875 inches nominal
Valve Type For Which Designed: ball
Valve Size For Which Designed: 1.250 inches
Stem Actuating End Type: threaded externally
Material: copper alloy 630

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
255721 PIECE 27	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-318-9741?

The FSCG of the NSN 4820-01-318-9741 is 4820

Does the NSN 4820-01-318-9741 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-318-9741 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 4820-01-318-9741 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-318-9741 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-318-9741 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Apr 28, 1990