Valve, Safety Relief4820-01-325-0702

NSN 4820-01-325-0702 · NIIN 013250702

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-325-0702 · 4820013250702 · NIIN 013250702 · 01-325-0702 · FSC 4820 Valves, Nonpowered · H-203-9 · PSV1-10-S-0-12/8

Nearby stock numbers ← 4820-01-325-0701 · 4820-01-325-0703 Valve, Plug →

4820-01-325-0702 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END
Connection Type: THREADED INTERNAL TUBE SECOND END
Style Designator: SCREW-IN CARTRIDGE
Nominal Outside Diameter Tube Accommodated: 0.625 INCHES SECOND END IN
Thread Direction: RIGHT-HAND SECOND END
Nominal Thread Size: 0.875 INCHES SECOND END IN
Thread Class: 3B SECOND END

Identification

NSN: 4820-01-325-0702
NIIN: 013250702
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-325-0702, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-325-0702
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Connection Style	PLAIN,OPTIONAL END(PIPE) SECOND END
Connection Type	THREADED INTERNAL TUBE SECOND END
Style Designator	SCREW-IN CARTRIDGE
Nominal Outside Diameter Tube Accommodated	0.625 INCHES SECOND END IN
Thread Direction	RIGHT-HAND SECOND END
Nominal Thread Size	0.875 INCHES SECOND END IN
Thread Class	3B SECOND END
Thread Series Designator	UNF SECOND END
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

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

Reference documents

Reference	Meaning
H-203-9	5/9 Secondary reference Challenge Machinery Co the
PSV1-10-S-0-12/8	3/9 Design control — primary reference Modular Controls Corp

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 4820-01-325-0702?

NSN 4820-01-325-0702 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-325-0702?

Key specifications for 4820-01-325-0702: Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Connection Type: THREADED INTERNAL TUBE SECOND END; Style Designator: SCREW-IN CARTRIDGE; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES SECOND END IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-325-0702 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.

PartsTable Design LLC · partstable.com