Valve, Safety Relief4820-01-679-5069

NSN 4820-01-679-5069 · NIIN 016795069

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-679-5069 · 4820016795069 · NIIN 016795069 · 01-679-5069 · FSC 4820 Valves, Nonpowered · D577T-12D · D577T-12D-10

Nearby stock numbers ← 4820-01-679-5062 Disk, Valve · 4820-01-679-5074 Gear Operator, Valve →

4820-01-679-5069 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Connection Style: SOCKET (TUBE) FIRST END
Nominal Length: 1.76 INCHES FIRST END IN
Minimum Operating Temp: -65.0 FAHRENHEIT DEGF
Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Valve Size: 0.75 INCHES IN
Thread Direction: RIGHT-HAND ALL ENDS
Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF

Identification

NSN: 4820-01-679-5069
NIIN: 016795069
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-679-5069, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-679-5069
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Connection Style	SOCKET (TUBE) FIRST END
Nominal Length	1.76 INCHES FIRST END IN
Minimum Operating Temp	-65.0 FAHRENHEIT DEGF
Connection Type	THREADED EXTERNAL TUBE ALL ENDS
Valve Size	0.75 INCHES IN
Thread Direction	RIGHT-HAND ALL ENDS
Maximum Operating Temp	275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter	1.12 INCHES FIRST END IN
Nominal Width	1.45 INCHES FIRST END IN
Thread Quantity Per Inch	A0.57 SECOND END
Material	STEEL COMP 303 OVERALL

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
D577T-12D	5/2 Secondary reference U.S. Government activity
D577T-12D-10	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 4820-01-679-5069?

NSN 4820-01-679-5069 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-679-5069?

Key specifications for 4820-01-679-5069: Connection Style: SOCKET (TUBE) FIRST END; Nominal Length: 1.76 INCHES FIRST END IN; Minimum Operating Temp: -65.0 FAHRENHEIT DEGF; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-679-5069 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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