Disk, Valve4820-01-020-6765

NSN 4820-01-020-6765 · NIIN 010206765

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-020-6765 · 4820010206765 · NIIN 010206765 · 01-020-6765 · FSC 4820 Valves, Nonpowered · V1D10252 · V1D10252PC9 · V3C10146-NN

Nearby stock numbers ← 4820-01-020-6083 Valve, Rotary, Selector · 4820-01-020-6964 Seat, Valve →

4820-01-020-6765 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shank Diameter: 0.435 INCHES NOMINAL IN
Flange Diameter: 0.685 INCHES NOMINAL IN
Style Designator: POPPET
Seat Angle: 30.0 DEGREES NOMINAL
Material: NICKEL ALLOY

Identification

NSN: 4820-01-020-6765
NIIN: 010206765
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-020-6765, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	4820-01-020-6765
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Shank Diameter	0.435 INCHES NOMINAL IN
Flange Diameter	0.685 INCHES NOMINAL IN
Style Designator	POPPET
Seat Angle	30.0 DEGREES NOMINAL
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 1

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

4820-01-221-8964V1D10252 ITEM 1 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Vacco Industries

Cross-Reference Index

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

Reference documents

Reference	Meaning
V1D10252	D/9 Drawing number reference only U.S. Government activity
V1D10252PC9	5/2 Secondary reference U.S. Government activity
V3C10146-NN	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-221-8964POSSIBLE MATCH

DISK,VALVE

V1D10252 ITEM 1

Frequently Asked Questions

What is NSN 4820-01-020-6765?

NSN 4820-01-020-6765 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-020-6765?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-221-8964. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-020-6765?

Key specifications for 4820-01-020-6765: Shank Diameter: 0.435 INCHES NOMINAL IN; Flange Diameter: 0.685 INCHES NOMINAL IN; Overall Height: 4.318 INCHES NOMINAL IN; Style Designator: POPPET. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-020-6765 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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