Valve, Safety Relief4820-01-607-1766

NSN 4820-01-607-1766 · NIIN 016071766

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-607-1766 · 4820016071766 · NIIN 016071766 · 01-607-1766 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-607-1763 Valve, Regulating, Fluid Pressure · 4820-01-607-1774 Valve, Check →

4820-01-607-1766 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Connection Style: SOCKET (TUBE) ALL ENDS
Nominal Length: 3.16 INCHES ALL ENDS IN
Connection Type: THREADED EXTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 1.0 INCHES IN
Bonnet Type: INSIDE SPRING

Identification

NSN: 4820-01-607-1766
NIIN: 016071766
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-607-1766, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-607-1766
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Connection Style	SOCKET (TUBE) ALL ENDS
Nominal Length	3.16 INCHES ALL ENDS IN
Connection Type	THREADED EXTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Operating Pressure	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	1.0 INCHES IN
Bonnet Type	INSIDE SPRING
Maximum Operating Temp	400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter	1.89 INCHES ALL ENDS IN
Bonnet Attachment Method	THREADED
Material	STEEL COMP 302 OVERALL
Valve Operation Method	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

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

Reference documents

Reference	Meaning
532T1-8M-.5	3/2 Design control — primary reference U.S. Government activity

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 4820-01-607-1766?

NSN 4820-01-607-1766 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-607-1766?

Key specifications for 4820-01-607-1766: Connection Style: SOCKET (TUBE) ALL ENDS; Nominal Length: 3.16 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-607-1766 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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