Valve, Regulating, Fluid Pressure4820-01-557-4072

NSN 4820-01-557-4072 · NIIN 015574072

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-557-4072 · 4820015574072 · NIIN 015574072 · 01-557-4072 · FSC 4820 Valves, Nonpowered · 808NAU-08C · 7326564-01 FIND 009

Nearby stock numbers ← 4820-01-557-4060 Disk, Rupturable · 4820-01-557-4079 Valve, Ball →

4820-01-557-4072 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
Body Style: ANGLE
First End Style Designator: SOCKET
Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF
Material Document and Classification: UNABLE TO DECODE
End Connection Quantity: 2
Valve Size: 0.500 INCHES IN
First End Connection Type: UNTHREADED INTERNAL TUBE

Identification

NSN: 4820-01-557-4072
NIIN: 015574072
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-557-4072, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-557-4072
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Body Style	ANGLE
First End Style Designator	SOCKET
Temp Rating	250.0 FAHRENHEIT MAXIMUM DEGF
Material Document and Classification	UNABLE TO DECODE
End Connection Quantity	2
Valve Size	0.500 INCHES IN
First End Connection Type	UNTHREADED INTERNAL TUBE
First End Outside Diameter Tube Accommodated	0.500 INCHES MAXIMUM IN
Material	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 BODY
Maximum Inlet Pressure Rating	ERR-060

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
808NAU-08C	3/1 Design control — primary reference U.S. Government activity
7326564-01 FIND 009	5/1 Secondary reference Naval Sea Systems Command

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 4820-01-557-4072?

NSN 4820-01-557-4072 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-557-4072?

Key specifications for 4820-01-557-4072: Body Style: ANGLE; First End Style Designator: SOCKET; Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: UNABLE TO DECODE. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-557-4072 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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