PartsTable TECHNICAL DATA SHEET

NSN 4820-01-112-6152Government record, cited

Valve, Safety Relief4820-01-112-6152

NSN 4820-01-112-6152 · NIIN 011126152 · Part number CA65473

Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 75394

Government record, cited

NSN 4820-01-112-6152 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-112-6152. Manufacturer of record part number: CA65473.

Also searched as 4820-01-112-6152 · 4820011126152 · NIIN 011126152 · 01-112-6152 · FSC 4820 Valves, Nonpowered · CAGE 75394 · CA65473 · CA59712

Nearby stock numbers ← 4820-01-112-6151 Valve, Stop-Check · 4820-01-112-6153 Valve, Safety Relief →

4820-01-112-6152 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: DISK
Connection Style: PLAIN (TUBE) FIRST END
Connection Type: THREADED EXTERNAL TUBE FIRST END
Style Designator: STRAIGHT THRU
Thread Direction: RIGHT-HAND FIRST END
Nominal Thread Size: 0.562 INCHES FIRST END IN
Thread Class: 3A FIRST END A

Identification

NSN: 4820-01-112-6152
NIIN: 011126152
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CA65473
Manufacturer: Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-112-6152, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-112-6152
Primary Part Number	CA65473
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division
Status	ACTIVE
Flow Control Device	DISK
Connection Style	PLAIN (TUBE) FIRST END
Connection Type	THREADED EXTERNAL TUBE FIRST END
Style Designator	STRAIGHT THRU
Thread Direction	RIGHT-HAND FIRST END
Nominal Thread Size	0.562 INCHES FIRST END IN
Thread Class	3A FIRST END A
Material	STEEL CORROSION RESISTING OVERALL
Thread Series Designator	UNF FIRST END
Opening Pressure Setting	500.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method	AUTOMATIC

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
CA65473 PRIMARY	Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA)

Reference documents

Reference	Meaning
CA59712	5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division

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 4820-01-112-6152?

NSN 4820-01-112-6152 is a Valve,safety Relief, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-112-6152?

NSN 4820-01-112-6152 has 1 manufacturer part number on file: CA65473 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).

What are the specifications of CA65473?

Key specifications for CA65473: Flow Control Device: DISK; Connection Style: PLAIN (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Style Designator: STRAIGHT THRU. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-112-6152 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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