PartsTable TECHNICAL DATA SHEET

NSN 4820-01-723-4571Government record, cited

Stem, Fluid Valve4820-01-723-4571

NSN 4820-01-723-4571 · NIIN 017234571

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-723-4571 · 4820017234571 · NIIN 017234571 · 01-723-4571 · FSC 4820 Valves, Nonpowered · 6D63637-002 · PL90E7720 FIND 12 · 90E7720

Nearby stock numbers ← 4820-01-723-4568 Stem, Fluid Valve · 4820-01-723-4574 Stem, Fluid Valve →

4820-01-723-4571 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820

Identification

NSN: 4820-01-723-4571
NIIN: 017234571
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-723-4571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-723-4571
Item Name	Stem,fluid 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 11

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

4820-01-723-45746D63637-001 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-45916D63643-001 POSSIBLE MATCH

VALVE,PLUG

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-46016D64109-001 POSSIBLE MATCH

VALVE,PLUG

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-48236D63640-001 POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-48266D64108-001 POSSIBLE MATCH

CAGE,VALVE

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-48276D66224-001 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-48296D64170-001 POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4940-01-723-49616D63645-002 POSSIBLE MATCH

EXPANDER,HOSE EXPANSION RING

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4940-01-723-49626D63645-001 POSSIBLE MATCH

EXPANDER,HOSE EXPANSION RING

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

4820-01-723-50016D63642-001 POSSIBLE MATCH

SLEEVE,DIRECTIONAL CONTROL LINEA

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

Cross-Reference Index

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

Reference documents

Reference	Meaning
6D63637-002	3/2 Design control — primary reference U.S. Government activity
PL90E7720 FIND 12	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
90E7720	D/9 Drawing number reference only U.S. Government activity

Related Parts

4820-01-723-4574POSSIBLE MATCH

STEM,FLUID VALVE

6D63637-001

4820-01-723-4591POSSIBLE MATCH

VALVE,PLUG

6D63643-001

4820-01-723-4601POSSIBLE MATCH

VALVE,PLUG

6D64109-001

4820-01-723-4823POSSIBLE MATCH

CAP,VALVE

6D63640-001

4820-01-723-4826POSSIBLE MATCH

CAGE,VALVE

6D64108-001

4820-01-723-4827POSSIBLE MATCH

SEAT,VALVE

6D66224-001

4820-01-723-4829POSSIBLE MATCH

CAP,VALVE

6D64170-001

4940-01-723-4961POSSIBLE MATCH

EXPANDER,HOSE EXPANSION RING

6D63645-002

4940-01-723-4962POSSIBLE MATCH

EXPANDER,HOSE EXPANSION RING

6D63645-001

4820-01-723-5001POSSIBLE MATCH

SLEEVE,DIRECTIONAL CONTROL LINEA

6D63642-001

4820-01-723-5065POSSIBLE MATCH

CAGE,VALVE

6D64106-001

Frequently Asked Questions

What is NSN 4820-01-723-4571?

NSN 4820-01-723-4571 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-723-4571?

11 possible matches (shared part number, not a government interchangeability claim): 4820-01-723-4574, 4820-01-723-4591, 4820-01-723-4601. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-723-4571?

Key specifications for 4820-01-723-4571: Part Name Assigned by Controlling Agency: STEM, VALVE; End Item Identification: THROTTLE CONTROL VALVE ASSEMBLY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-723-4571 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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