PartsTable TECHNICAL DATA SHEET

NSN 4820-01-246-6446Government record, cited

Stem, Fluid Valve4820-01-246-6446

NSN 4820-01-246-6446 · NIIN 012466446

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-246-6446 · 4820012466446 · NIIN 012466446 · 01-246-6446 · FSC 4820 Valves, Nonpowered · 87643-6906 · 522-4675678 ITEM 1 · 522-4675678 · 87643-6906 ITEM 1

Nearby stock numbers ← 4820-01-246-6445 · 4820-01-246-6447 →

4820-01-246-6446 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820

Identification

NSN: 4820-01-246-6446
NIIN: 012466446
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-246-6446, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	Stem,fluid Valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-246-6446
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 4

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

4820-01-248-726087643-6906 ITEM 9 POSSIBLE MATCH

SLEEVE,VALVE OPERATOR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-248-727287643-6906 ITEM 2 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-248-727387643-6906 ITEM 5 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-257-151987643-6906 ITEM 15 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
87643-6906	D/9 Drawing number reference only U.S. Government activity
522-4675678 ITEM 1	3/2 Design control — primary reference U.S. Government activity
522-4675678	D/9 Drawing number reference only U.S. Government activity
87643-6906 ITEM 1	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-248-7260POSSIBLE MATCH

SLEEVE,VALVE OPERATOR

87643-6906 ITEM 9

4820-01-248-7272POSSIBLE MATCH

STEM,FLUID VALVE

87643-6906 ITEM 2

4820-01-248-7273POSSIBLE MATCH

STEM,FLUID VALVE

87643-6906 ITEM 5

3040-01-257-1519POSSIBLE MATCH

SHAFT,SHOULDERED

87643-6906 ITEM 15

Frequently Asked Questions

What is NSN 4820-01-246-6446?

NSN 4820-01-246-6446 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-246-6446?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-248-7260, 4820-01-248-7272, 4820-01-248-7273. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-246-6446 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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