PartsTable TECHNICAL DATA SHEET

NSN 4820-01-452-1604Government record, cited

Valve, Regulating, Fluid Pressure4820-01-452-1604

NSN 4820-01-452-1604 · NIIN 014521604 · Part number B74G-3AK-AP3-RMG

Norgren C a Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43990

Government record, cited

NSN 4820-01-452-1604 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-452-1604. Manufacturer of record part number: B74G-3AK-AP3-RMG.

Also searched as 4820-01-452-1604 · 4820014521604 · NIIN 014521604 · 01-452-1604 · FSC 4820 Valves, Nonpowered · CAGE 43990 · B74G-3AK-AP3-RMG

Nearby stock numbers ← 4820-01-452-1411 Axle Assy · 4820-01-452-1615 Diaphragm, Actuator Valve, Special →

4820-01-452-1604 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
First End Thread Direction: RIGHT-HAND
Second End Relationship with First End: IDENTICAL
Remote Actuation Method: DIAPHRAGM
Body Style: STRAIGHT THRU
Regulation Type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
First End Style Designator: PLAIN
End Connection Quantity: 2

Identification

NSN: 4820-01-452-1604
NIIN: 014521604
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B74G-3AK-AP3-RMG
Manufacturer: Norgren C a Co

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-452-1604, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a Co. Government technical data includes 13 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	4820-01-452-1604
Primary Part Number	B74G-3AK-AP3-RMG
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Norgren C a Co
Status	ACTIVE
First End Thread Direction	RIGHT-HAND
Second End Relationship with First End	IDENTICAL
Remote Actuation Method	DIAPHRAGM
Body Style	STRAIGHT THRU
Regulation Type	1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
First End Style Designator	PLAIN
End Connection Quantity	2
Outlet Pressure Range	5.0 TO 150.0 CAMERA MOUNT
Manual Control Method	KNOB
First End Connection Type	THREADED INTERNAL PIPE
Media for Which Designed	WATER
Thread Size and Series/type Designator	3/8-18 NPT FIRST END
Filter	INCLUDED

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
B74G-3AK-AP3-RMG PRIMARY	Norgren C a Co (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

Related Parts in Valves

4820-00-000-0097

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

4820-00-001-0010

VALVE,ROTARY,SELECTOR

8171E-1/4HS2

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

D559A3M2

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 4820-01-452-1604?

NSN 4820-01-452-1604 is a Valve,regulating,fluid Pressure, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-452-1604?

NSN 4820-01-452-1604 has 1 manufacturer part number on file: B74G-3AK-AP3-RMG (Norgren C a Co).

What are the specifications of B74G-3AK-AP3-RMG?

Key specifications for B74G-3AK-AP3-RMG: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM; Body Style: STRAIGHT THRU. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-452-1604 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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