Valve, Check4820-01-340-5740

NSN 4820-01-340-5740 · NIIN 013405740

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-340-5740 · 4820013405740 · NIIN 013405740 · 01-340-5740 · FSC 4820 Valves, Nonpowered · 7573054 · C2977S-8Q-3 · 7573054-001

Nearby stock numbers ← 4820-01-340-5739 Valve, Check · 4820-01-340-5741 Valve, Check →

4820-01-340-5740 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: POPPET
Connection Style: GROOVED (DROP-IN CARTRIDGE) ALL ENDS
Mounting Position: HORIZONTAL OR VERTICAL
Connection Type: UNTHREADED CARTRIDGE ALL ENDS
Style Designator: STRAIGHT THRU DROP-IN CARTRIDGE
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF

Identification

NSN: 4820-01-340-5740
NIIN: 013405740
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-340-5740, 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11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-340-5740
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	POPPET
Connection Style	GROOVED (DROP-IN CARTRIDGE) ALL ENDS
Mounting Position	HORIZONTAL OR VERTICAL
Connection Type	UNTHREADED CARTRIDGE ALL ENDS
Style Designator	STRAIGHT THRU DROP-IN CARTRIDGE
Operating Pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp	160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Disk Loading Method	SPRING
Material	STEEL BODY
Opening Pressure Setting	3.0 POUNDS PER SQUARE INCH LBS
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
7573054	5/9 Secondary reference General Dynamics Land Systems Inc.
C2977S-8Q-3	3/2 Design control — primary reference U.S. Government activity
7573054-001	5/9 Secondary reference General Dynamics Land Systems Inc.

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 4820-01-340-5740?

NSN 4820-01-340-5740 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-340-5740?

Key specifications for 4820-01-340-5740: Flow Control Device: POPPET; Connection Style: GROOVED (DROP-IN CARTRIDGE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: UNTHREADED CARTRIDGE ALL ENDS. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-340-5740 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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