Valve, Relief, Pressure and Temper4820-01-375-4535

NSN 4820-01-375-4535 · NIIN 013754535

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-375-4535 · 4820013754535 · NIIN 013754535 · 01-375-4535 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-375-4534 Valve, Relief, Pressure and Temper · 4820-01-375-4536 Valve, Relief, Pressure and Temper →

4820-01-375-4535 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
Temp Rating: 275.0 FAHRENHEIT DEGF
Second End Relationship with First End: IDENTICAL
Body Style: TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS
First End Style Designator: OPTIONAL END
First Connection Face to Centerline Distance: 3.070 INCHES NOMINAL IN
End Connection Quantity: 2
Second Connection Face to Centerline Distance: 2.500 INCHES NOMINAL IN

Identification

NSN: 4820-01-375-4535
NIIN: 013754535
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-375-4535, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-375-4535
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Temp Rating	275.0 FAHRENHEIT DEGF
Second End Relationship with First End	IDENTICAL
Body Style	TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS
First End Style Designator	OPTIONAL END
First Connection Face to Centerline Distance	3.070 INCHES NOMINAL IN
End Connection Quantity	2
Second Connection Face to Centerline Distance	2.500 INCHES NOMINAL IN
Opening Pressure Setting	ERR-060
First End Connection Type	THREADED INTERNAL PIPE
Material	STEEL CORROSION RESISTING BODY
Media for Which Designed	HYDROCARBON FUELS AND OILS
Valve Discharge Flow Rate	10.0 GALLONS PER MINUTE

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
2220	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 4820-01-375-4535?

NSN 4820-01-375-4535 is a Valve,relief,pressure and Temper, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-375-4535?

Key specifications for 4820-01-375-4535: Temp Rating: 275.0 FAHRENHEIT DEGF; Second End Relationship with First End: IDENTICAL; Body Style: TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS; First End Style Designator: OPTIONAL END. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-375-4535 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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