Valve, Regulating, Fluid Pressure4820-01-694-8491

NSN 4820-01-694-8491 · NIIN 016948491 · Part number PX-8671-A

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61208

Government record, cited

NSN 4820-01-694-8491 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-694-8491. Manufacturer of record part number: PX-8671-A.

Also searched as 4820-01-694-8491 · 4820016948491 · NIIN 016948491 · 01-694-8491 · FSC 4820 Valves, Nonpowered · CAGE 61208 · PX-8671-A

Nearby stock numbers ← 4820-01-694-8478 Repair Kit, Valve · 4820-01-694-8591 Valve, Calibrated Flow →

4820-01-694-8491 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 4820-01-694-8491
NIIN: 016948491
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: PX-8671-A
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-694-8491, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)

Technical Specifications

Parameter	Value
NSN	4820-01-694-8491
Primary Part Number	PX-8671-A
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
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

Cross-Reference Index

Part Number	Manufacturer
PX-8671-A PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (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 4820-01-694-8491?

NSN 4820-01-694-8491 is a Valve,regulating,fluid Pressure, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-694-8491?

NSN 4820-01-694-8491 has 1 manufacturer part number on file: PX-8671-A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

Is NSN 4820-01-694-8491 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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