Valve, Regulating, Fluid Pressure4820-01-303-2475

NSN 4820-01-303-2475 · NIIN 013032475 · Part number PF-63

B & B Tritech Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 21361

Government record, cited

NSN 4820-01-303-2475 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-303-2475. Manufacturer of record part number: PF-63.

Also searched as 4820-01-303-2475 · 4820013032475 · NIIN 013032475 · 01-303-2475 · FSC 4820 Valves, Nonpowered · CAGE 21361 · PF-63

Nearby stock numbers ← 4820-01-303-2474 · 4820-01-303-2476 Valve, Regulating, Fluid Pressure →

4820-01-303-2475 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
Regulation Type: MANUAL SINGLE STAGE
Manual Control Method: KNOB
Media for Which Designed: AIR
1 manufacturer part number on file
Manufacturer of record: B & B Tritech Inc.

Identification

NSN: 4820-01-303-2475
NIIN: 013032475
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: PF-63
Manufacturer: B & B Tritech Inc.

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-303-2475, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B & B Tritech Inc.. Government technical data includes 3 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	4820-01-303-2475
Primary Part Number	PF-63
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	B & B Tritech Inc.
Status	ACTIVE
Regulation Type	MANUAL SINGLE STAGE
Manual Control Method	KNOB
Media for Which Designed	AIR

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
PF-63 PRIMARY	B & B Tritech Inc. (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 4820-01-303-2475?

NSN 4820-01-303-2475 is a Valve,regulating,fluid Pressure, manufactured by B & B Tritech Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-303-2475?

NSN 4820-01-303-2475 has 1 manufacturer part number on file: PF-63 (B & B Tritech Inc.).

What are the specifications of PF-63?

Key specifications for PF-63: Regulation Type: MANUAL SINGLE STAGE; Manual Control Method: KNOB; Media for Which Designed: AIR. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-303-2475 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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