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Technical Data Sheet
PartsTable / COMPONENT / M81940/2-1
M81940/2-1 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The M81940/2-1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-298-8416, 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
M81940/2-1
NSN: 4820-01-298-8416
FSC: 4820
CAGE: 0FW39 — BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP DBA DATA SYSTEMS INTERNATIONAL INC (USA)
SPECIFICATIONS
Part NumberM81940/2-1
NSN4820-01-298-8416
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M81940/2-1 · 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
•
SPECIFICATION/STANDARD DATA: 81349-MIL-V-81940 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
STYLE DESIGNATOR: ANGLE
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
•
SPECIAL TEST FEATURES: ALSO USED ON 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM)
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
VALVE OPERATION METHOD: MANUAL
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-V-81940 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORANGLE
NONDEFINITIVE SPEC/STD DATA2 TYPE
SPECIAL TEST FEATURESALSO USED ON 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM)
MATERIALSTEEL CORROSION RESISTING BODY
SPECIAL FEATURESFURN WITH END FITTING 0.250 IN. NPTF; WEAPON SYSTEM ESSENTIAL IN
VALVE OPERATION METHODMANUAL
CRITICALITY CODE JUSTIFICATIONFEAT
FLOW CONTROL DEVICEDISK
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MIL-V-81940/1BInterchangeable
interchangeable cross-reference
interchangeable
P15-500Interchangeable
interchangeable cross-reference
interchangeable
M81940/1-2Interchangeable
interchangeable cross-reference
interchangeable
6532C309Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-81940/1Interchangeable
interchangeable cross-reference
interchangeable
FD15-1002-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81940/2-1?
M81940/2-1 is a M81940/2-1.
What parts can replace M81940/2-1?
There are 12 known substitutes for M81940/2-1: MIL-V-81940/1B, P15-500, M81940/1-2 and 9 more. Substitute compatibility should be verified for your specific system.
Is M81940/2-1 still available?
M81940/2-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026