Disk, Valve4820-01-440-4605

NSN 4820-01-440-4605 · NIIN 014404605

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-440-4605 · 4820014404605 · NIIN 014404605 · 01-440-4605 · FSC 4820 Valves, Nonpowered · TDCV-016095-18 PIECE 2 · TDCV-016095-18-02 · TDCV-016095

Nearby stock numbers ← 4820-01-440-4583 Disk, Valve · 4820-01-440-4657 Valve, Gate →

4820-01-440-4605 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Outside Diameter: 16.955 INCHES NOMINAL IN
Style Designator: BUTTERFLY
Material: NICKEL ALLOY

Identification

NSN: 4820-01-440-4605
NIIN: 014404605
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-440-4605, 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3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-440-4605
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	16.955 INCHES NOMINAL IN
Style Designator	BUTTERFLY
Material	NICKEL 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 2

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

4820-01-440-4832 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)

4820-01-440-4895 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)

Cross-Reference Index

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

Reference documents

Reference	Meaning
TDCV-016095-18 PIECE 2	3/9 Design control — primary reference C M Industries Inc Dba Custom Marine Sales
TDCV-016095-18-02	5/9 Secondary reference C M Industries Inc Dba Custom Marine Sales
TDCV-016095	D/9 Drawing number reference only C M Industries Inc Dba Custom Marine Sales

Related Parts

4820-01-440-4832POSSIBLE MATCH

SEAT,VALVE

4820-01-440-4895POSSIBLE MATCH

STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 4820-01-440-4605?

NSN 4820-01-440-4605 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-440-4605?

2 possible matches (shared part number, not a government interchangeability claim): 4820-01-440-4832, 4820-01-440-4895. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-440-4605?

Key specifications for 4820-01-440-4605: Overall Height: 5.255 INCHES NOMINAL IN; Outside Diameter: 16.955 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Special Features: W/2.000 IN. DIA DAE 10A SPLINE,MODIFIED W/ (1) TOOTH REMOVED A. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-440-4605 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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