Disk, Valve4820-00-592-9451

NSN 4820-00-592-9451 · NIIN 005929451

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-592-9451 · 4820005929451 · NIIN 005929451 · 00-592-9451 · FSC 4820 Valves, Nonpowered · 87897-01D · 87897-01

Nearby stock numbers ← 4820-00-592-9447 Cartridge, Check Valve · 4820-00-592-9452 →

4820-00-592-9451 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Outside Diameter: 2.000 INCHES NOMINAL IN
Style Designator: PLAIN
Inside Diameter: 0.375 INCHES NOMINAL IN
Material: NICKEL ALLOY AND RUBBER SYNTHETIC

Identification

NSN: 4820-00-592-9451
NIIN: 005929451
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-00-592-9451, 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4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	4820-00-592-9451
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	2.000 INCHES NOMINAL IN
Style Designator	PLAIN
Inside Diameter	0.375 INCHES NOMINAL IN
Material	NICKEL ALLOY AND RUBBER SYNTHETIC

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.

6680-01-305-1764 POSSIBLE MATCH

SPEEDOMETER

Possible match (shared part number)

Cross-Reference Index

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

Reference documents

Reference	Meaning
87897-01D	3/2 Design control — primary reference U.S. Government activity
87897-01	5/9 Secondary reference U.S. Government activity

Related Parts

6680-01-305-1764POSSIBLE MATCH

SPEEDOMETER

Frequently Asked Questions

What is NSN 4820-00-592-9451?

NSN 4820-00-592-9451 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-00-592-9451?

1 possible match (shared part number, not a government interchangeability claim): 6680-01-305-1764. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-00-592-9451?

Key specifications for 4820-00-592-9451: Overall Height: 0.195 INCHES NOMINAL IN; Outside Diameter: 2.000 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.375 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-592-9451 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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