2178000 ITEM 79L1

View detailed technical data, stock status, and sourcing information for: 2178000 ITEM 79L1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-391-9800

Item Name Code

32528

Assigment Date

06/21/1994 (32 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

sea water ball valve and poppet valve end item identification, zzzy criticality code justification, quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics

Product Characteristics

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

End Item Identification: sea water ball valve and poppet valve
Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-089-5256	No Name Available	05/01/2002
4820-01-505-2577	Fluid Valve Stem	06/01/2025

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
209-6295389 ITEM 12	Fluid Valve Stem
209-6295389 ITEM 12L1	Fluid Valve Stem
2178000 ITEM 79	Fluid Valve Stem
2178000 ITEM 79L1	Fluid Valve Stem
810-2178000 ITEM 79	Fluid Valve Stem
810-2178000 ITEM 79L1	Fluid Valve Stem
810-2178000-1 ITEM 79	Fluid Valve Stem
810-2178000-1 ITEM79L1	Fluid Valve Stem
810-2178000-6 ITEM 1	Fluid Valve Stem
810-2178000-6 ITEM 1L1	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-391-9800?

The FSCG of the NSN 4820-01-391-9800 is 4820

Does the NSN 4820-01-391-9800 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-391-9800 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-391-9800 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-391-9800 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 4820-01-391-9800 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Jun 21, 1994