PartsTable TECHNICAL DATA SHEET

NSN 4820-01-328-6667Government record, cited

Disk, Valve4820-01-328-6667

NSN 4820-01-328-6667 · NIIN 013286667 · Part number NB25221E-0000 3IN PC33

Hunt Valve Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11859

Government record, cited

NSN 4820-01-328-6667 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-328-6667. Manufacturer of record part number: NB25221E-0000 3IN PC33.

Also searched as 4820-01-328-6667 · 4820013286667 · NIIN 013286667 · 01-328-6667 · FSC 4820 Valves, Nonpowered · CAGE 11859 · NB25221E-0000 3IN PC33

Nearby stock numbers ← 4820-01-328-6666 Disk, Valve · 4820-01-328-6668 Disk, Valve →

4820-01-328-6667 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Hunt Valve Company, Inc.

Identification

NSN: 4820-01-328-6667
NIIN: 013286667
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: NB25221E-0000 3IN PC33
Manufacturer: Hunt Valve Company, Inc.

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-328-6667, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-328-6667
Primary Part Number	NB25221E-0000 3IN PC33
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hunt Valve Company, Inc.
Status	ACTIVE
Pressure Rating	250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Material	COPPER 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

Cross-Reference Index

Part Number	Manufacturer
NB25221E-0000 3IN PC33 PRIMARY	Hunt Valve Company, Inc. (USA)

Reference documents

Reference	Meaning
NB25221E-0000 3IN PC33	3/9 Design control — primary reference Pima Valve, Llc

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 4820-01-328-6667?

NSN 4820-01-328-6667 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-328-6667?

NSN 4820-01-328-6667 has 1 manufacturer part number on file: NB25221E-0000 3IN PC33 (Hunt Valve Company, Inc.).

What are the specifications of NB25221E-0000 3IN PC33?

Key specifications for NB25221E-0000 3IN PC33: Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Special Features: INCL NICKEL COPPER ALLOY INSERT AND SILVER SOLDER; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-328-6667 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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