PartsTable TECHNICAL DATA SHEET

NSN 4820-01-516-7643Government record, cited

Stem, Fluid Valve4820-01-516-7643

NSN 4820-01-516-7643 · NIIN 015167643

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-516-7643 · 4820015167643 · NIIN 015167643 · 01-516-7643 · FSC 4820 Valves, Nonpowered · 6509E59 · 5D86877 · 5D86877-001

Nearby stock numbers ← 4820-01-516-7641 Stem, Fluid Valve · 4820-01-516-7657 Valve, Stop-Check →

4820-01-516-7643 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Valve Type for Which Designed: CROSS
Stem Actuating End Type: THREADED EXTERNALLY
Material Document and Classification: DOD-F-24669/7 CL 422 COND HT FED SPEC SINGLE MATERIAL RESPONSE
Material: STEEL CORROSION RESISTING

Identification

NSN: 4820-01-516-7643
NIIN: 015167643
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-516-7643, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-516-7643
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Valve Type for Which Designed	CROSS
Stem Actuating End Type	THREADED EXTERNALLY
Material Document and Classification	DOD-F-24669/7 CL 422 COND HT FED SPEC SINGLE MATERIAL RESPONSE
Material	STEEL CORROSION RESISTING

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 5

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

4820-01-516-76974D08637-001 POSSIBLE MATCH

SEAT,VALVE

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

4820-01-516-77014D08630-001 POSSIBLE MATCH

SEAT,VALVE

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

4820-01-516-77093D73235-002 POSSIBLE MATCH

DIVIDER,VALVE FLOW

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

4820-01-516-79006D60815-001 POSSIBLE MATCH

DIVIDER,VALVE FLOW

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

5365-01-516-93294D08639-001 POSSIBLE MATCH

SPACER,SLEEVE

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
6509E59	D/9 Drawing number reference only U.S. Government activity
5D86877	D/9 Drawing number reference only U.S. Government activity
5D86877-001	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-516-7697POSSIBLE MATCH

SEAT,VALVE

4D08637-001

4820-01-516-7701POSSIBLE MATCH

SEAT,VALVE

4D08630-001

4820-01-516-7709POSSIBLE MATCH

DIVIDER,VALVE FLOW

3D73235-002

4820-01-516-7900POSSIBLE MATCH

DIVIDER,VALVE FLOW

6D60815-001

5365-01-516-9329POSSIBLE MATCH

SPACER,SLEEVE

4D08639-001

Frequently Asked Questions

What is NSN 4820-01-516-7643?

NSN 4820-01-516-7643 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-516-7643?

5 possible matches (shared part number, not a government interchangeability claim): 4820-01-516-7697, 4820-01-516-7701, 4820-01-516-7709. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-516-7643?

Key specifications for 4820-01-516-7643: Valve Type for Which Designed: CROSS; Stem Actuating End Type: THREADED EXTERNALLY; Material Document and Classification: DOD-F-24669/7 CL 422 COND HT FED SPEC SINGLE MATERIAL RESPONSE; Material: STEEL CORROSION RESISTING. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-516-7643 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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