PartsTable TECHNICAL DATA SHEET

NSN 4820-01-434-6785Government record, cited

Disk, Valve4820-01-434-6785

NSN 4820-01-434-6785 · NIIN 014346785

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-434-6785 · 4820014346785 · NIIN 014346785 · 01-434-6785 · FSC 4820 Valves, Nonpowered · V3D10256 ITEM 3 · V3D10256 · V2D11361-4MF

Nearby stock numbers ← 4820-01-434-6671 Cap, Valve · 4820-01-434-6796 Seat, Valve →

4820-01-434-6785 — Valves, Nonpowered

Features

Disk,valve — FSC 4820

Identification

NSN: 4820-01-434-6785
NIIN: 014346785
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-434-6785, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	Disk,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-434-6785
Item Name	Disk,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.

4820-01-434-6816V2C10941-3DA POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Vacco Industries

4820-01-434-8284V2C10937-3DA POSSIBLE MATCH

GUIDE,SPRING,VALVE

Possible match (shared part number)Vacco Industries

4820-01-435-1534V2C10938-3DA POSSIBLE MATCH

GUIDE,SPRING,VALVE

Possible match (shared part number)Vacco Industries

4820-01-451-0312V3D10401-KA 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
V3D10256 ITEM 3	5/2 Secondary reference U.S. Government activity
V3D10256	D/9 Drawing number reference only U.S. Government activity
V2D11361-4MF	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-434-6816POSSIBLE MATCH

CAP,VALVE

V2C10941-3DA

4820-01-434-8284POSSIBLE MATCH

GUIDE,SPRING,VALVE

V2C10937-3DA

4820-01-435-1534POSSIBLE MATCH

GUIDE,SPRING,VALVE

V2C10938-3DA

4820-01-451-0312POSSIBLE MATCH

DISK,VALVE

V3D10401-KA

Frequently Asked Questions

What is NSN 4820-01-434-6785?

NSN 4820-01-434-6785 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-434-6785?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-434-6816, 4820-01-434-8284, 4820-01-435-1534. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-434-6785 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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