Valve, Regulating, Fluid Pressure4820-01-694-7985

NSN 4820-01-694-7985 · NIIN 016947985 · Part number LF009-QT-S

Watts Regulator Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79227

Government record, cited

NSN 4820-01-694-7985 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-694-7985. Manufacturer of record part number: LF009-QT-S.

Also searched as 4820-01-694-7985 · 4820016947985 · NIIN 016947985 · 01-694-7985 · FSC 4820 Valves, Nonpowered · CAGE 79227 · LF009-QT-S

Nearby stock numbers ← 4820-01-694-7894 Valve, Regulating, Fluid Pressure · 4820-01-694-8046 Repair Kit, Valve →

4820-01-694-7985 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
Body Style: STRAIGHT THRU
Regulation Type: MANUAL
End Connection Quantity: 2
Material: SILICONE AND COPPER ALLOY BODY
1 manufacturer part number on file
Manufacturer of record: Watts Regulator Company

Identification

NSN: 4820-01-694-7985
NIIN: 016947985
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: LF009-QT-S
Manufacturer: Watts Regulator Company

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-694-7985, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-694-7985
Primary Part Number	LF009-QT-S
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Watts Regulator Company
Status	ACTIVE
Body Style	STRAIGHT THRU
Regulation Type	MANUAL
End Connection Quantity	2
Material	SILICONE AND COPPER ALLOY BODY

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
LF009-QT-S PRIMARY	Watts Regulator Company (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 4820-01-694-7985?

NSN 4820-01-694-7985 is a Valve,regulating,fluid Pressure, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-694-7985?

NSN 4820-01-694-7985 has 1 manufacturer part number on file: LF009-QT-S (Watts Regulator Company).

What are the specifications of LF009-QT-S?

Key specifications for LF009-QT-S: Body Style: STRAIGHT THRU; Regulation Type: MANUAL; End Connection Quantity: 2; Overall Length: 14.5 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-694-7985 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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