PartsTable TECHNICAL DATA SHEET

NSN 4820-01-722-8337Government record, cited

Tailpiece, Valve4820-01-722-8337

NSN 4820-01-722-8337 · NIIN 017228337

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-722-8337 · 4820017228337 · NIIN 017228337 · 01-722-8337 · FSC 4820 Valves, Nonpowered · V1E11084 · V2D11520-7NA

Nearby stock numbers ← 4820-01-722-8332 Retainer, Seat, Valve · 4820-01-722-8342 Valve, Check →

4820-01-722-8337 — Valves, Nonpowered

Features

Tailpiece,valve — FSC 4820

Identification

NSN: 4820-01-722-8337
NIIN: 017228337
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Tailpiece,valve, cataloged under National Stock Number 4820-01-722-8337, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Tailpiece,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-722-8337
Item Name	Tailpiece,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 6

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-722-8343V2D11523-7NA POSSIBLE MATCH

RETAINER,SEAT,VALVE

Possible match (shared part number)Vacco Industries

4820-01-722-8387V2C12991-3 POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Vacco Industries

4330-01-722-8389V6D10000-15 POSSIBLE MATCH

FILTERING DISK,FLUID

Possible match (shared part number)Vacco Industries

5340-01-722-8419V2D11521-2AD POSSIBLE MATCH

HANDLE,MANUAL CONTROL

Possible match (shared part number)Vacco Industries

5305-01-723-0488V2B11678-7NA POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Vacco Industries

4820-01-723-2421V1E11084-01 POSSIBLE MATCH

VALVE,GLOBE

Possible match (shared part number)Vacco Industries

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
V1E11084	D/9 Drawing number reference only U.S. Government activity
V2D11520-7NA	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-722-8343POSSIBLE MATCH

RETAINER,SEAT,VALVE

V2D11523-7NA

4820-01-722-8387POSSIBLE MATCH

CAP,VALVE

V2C12991-3

4330-01-722-8389POSSIBLE MATCH

FILTERING DISK,FLUID

V6D10000-15

5340-01-722-8419POSSIBLE MATCH

HANDLE,MANUAL CONTROL

V2D11521-2AD

5305-01-723-0488POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

V2B11678-7NA

4820-01-723-2421POSSIBLE MATCH

VALVE,GLOBE

V1E11084-01

Frequently Asked Questions

What is NSN 4820-01-722-8337?

NSN 4820-01-722-8337 is a Tailpiece,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-722-8337?

6 possible matches (shared part number, not a government interchangeability claim): 4820-01-722-8343, 4820-01-722-8387, 4330-01-722-8389. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-722-8337 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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