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FV4M1 — VALVE,VENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

FV4M1: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, style_designator: STRAIGHT THRU, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, end_item_identification: HEATER, WTR EL, media_for_which_designed: AIR SINGLE RESPONSE, part_name_assigned_by_controlling_agency: AUTOMATIC AIR VENT VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-623-5985, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
FV4M1
NSN: 4820-01-623-5985
FSC: 4820 — Valves, Nonpowered
CAGE: 5F6M3 — WILD DUNES, INC. DBA TANKLESS (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
style_designatorSTRAIGHT THRU
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
end_item_identificationHEATER, WTR EL
media_for_which_designedAIR SINGLE RESPONSE
part_name_assigned_by_controlling_agencyAUTOMATIC AIR VENT VALVE
NSN4820-01-623-5985
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: FV4M1 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION TYPE: THREADED CARTRIDGE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED CARTRIDGE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYAUTOMATIC AIR VENT VALVE
END ITEM IDENTIFICATIONHEATER, WTR EL
MATERIALCOPPER ALLOY BODY
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 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FV4M1?
FV4M1 is a VALVE,VENT.
What is the NSN for FV4M1?
FV4M1 is cataloged in the U.S. Government catalog under NSN 4820-01-623-5985. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.