Valve, Plug4820-01-480-6529

NSN 4820-01-480-6529 · NIIN 014806529 · Part number DD-4633 FPS

Cunico Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53424

Government record, cited

NSN 4820-01-480-6529 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-480-6529. Manufacturer of record part number: DD-4633 FPS.

Also searched as 4820-01-480-6529 · 4820014806529 · NIIN 014806529 · 01-480-6529 · FSC 4820 Valves, Nonpowered · CAGE 53424 · DD-4633 FPS · DD-4633/CFV-18229-004

Nearby stock numbers ← 4820-01-480-6307 Parts Kit, Plug Valve · 4820-01-480-6588 Stem, Fluid Valve →

4820-01-480-6529 — Valves, Nonpowered

Features

Valve,plug — FSC 4820
Flange Shape: ROUND WITH HOLES ALL ENDS
Flange Face Design: PLAIN ALL ENDS
Connection Type: FLANGE ALL ENDS
Flow Style: THREE-WAY THREE PORT 180 DEGREE PLUG TURN
Material: COPPER ALLOY 922 BODY
Valve Operation Method: MANUAL
2 manufacturer part numbers on file

Identification

NSN: 4820-01-480-6529
NIIN: 014806529
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: DD-4633 FPS
Manufacturer: Cunico Corporation

General Description

The Valve,plug, cataloged under National Stock Number 4820-01-480-6529, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cunico Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-480-6529
Primary Part Number	DD-4633 FPS
Item Name	Valve,plug
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Cunico Corporation
Status	ACTIVE
Flange Shape	ROUND WITH HOLES ALL ENDS
Flange Face Design	PLAIN ALL ENDS
Connection Type	FLANGE ALL ENDS
Flow Style	THREE-WAY THREE PORT 180 DEGREE PLUG TURN
Material	COPPER ALLOY 922 BODY
Valve Operation Method	MANUAL

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

Cross-Reference Index

Part Number	Manufacturer
DD-4633/CFV-18229-004	Cunico Corporation (USA)
DD-4633 FPS PRIMARY	Cunico Corporation (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-480-6529?

NSN 4820-01-480-6529 is a Valve,plug, manufactured by Cunico Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-480-6529?

NSN 4820-01-480-6529 has 2 manufacturer part numbers on file: DD-4633/CFV-18229-004 (Cunico Corporation), DD-4633 FPS (Cunico Corporation).

What are the specifications of DD-4633 FPS?

Key specifications for DD-4633 FPS: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Flow Style: THREE-WAY THREE PORT 180 DEGREE PLUG TURN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-480-6529 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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