Cap, Valve4820-01-104-6251

NSN 4820-01-104-6251 · NIIN 011046251

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-104-6251 · 4820011046251 · NIIN 011046251 · 01-104-6251 · FSC 4820 Valves, Nonpowered · 4820PL1397443 · V73-17 · 2-010-123

Nearby stock numbers ← 4820-01-104-6247 Parts Kit, Valve · 4820-01-104-6252 Valve, Check →

4820-01-104-6251 — Valves, Nonpowered

Features

Cap,valve — FSC 4820
Outside Diameter: 2.750 INCHES NOMINAL IN
Height: 0.813 INCHES NOMINAL IN
Material: COPPER ALLOY

Identification

NSN: 4820-01-104-6251
NIIN: 011046251
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Cap,valve, cataloged under National Stock Number 4820-01-104-6251, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	4820-01-104-6251
Item Name	Cap,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	2.750 INCHES NOMINAL IN
Height	0.813 INCHES NOMINAL IN
Material	COPPER ALLOY

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 1

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

7025-01-497-7516201-0123 POSSIBLE MATCH

DISK DRIVE UNIT

Possible match (shared part number)Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific

Cross-Reference Index

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

Reference documents

Reference	Meaning
4820PL1397443	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index
V73-17	5/9 Secondary reference Henry Technologies, Inc.
2-010-123	3/9 Design control — primary reference Henry Technologies, Inc.

Related Parts

7025-01-497-7516POSSIBLE MATCH

DISK DRIVE UNIT

201-0123

Frequently Asked Questions

What is NSN 4820-01-104-6251?

NSN 4820-01-104-6251 is a Cap,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-104-6251?

1 possible match (shared part number, not a government interchangeability claim): 7025-01-497-7516. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-104-6251?

Key specifications for 4820-01-104-6251: Outside Diameter: 2.750 INCHES NOMINAL IN; Height: 0.813 INCHES NOMINAL IN; Special Features: INTEGRAL SCREEN; Material: COPPER ALLOY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-104-6251 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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