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PartsTable / COMPONENT / D-1994 PIECE 3
D-1994 PIECE 3 ✓ 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 PARTS KIT,CHECK VALVE is a the manufacturer industrial component. Key specifications include special_features: ONE STAINLESS STEEL DISK; ONE STEEL HINGE; ONE STAINLESS STEEL PIN; ONE STAINLESS STEEL HINGE PIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-103-7312, 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
D-1994 PIECE 3
NSN: 4820-01-103-7312
FSC: 4820
CAGE: 17062 — P J VALVES INC (USA)
SPECIFICATIONS
special_featuresONE STAINLESS STEEL DISK; ONE STEEL HINGE; ONE STAINLESS STEEL PIN; ONE STAINLESS STEEL HINGE PIN
NSN4820-01-103-7312
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D-1994 PIECE 3 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESONE STAINLESS STEEL DISK; ONE STEEL HINGE; ONE STAINLESS STEEL PIN; ONE STAINLESS STEEL HINGE PIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A1909Interchangeable
interchangeable cross-reference
interchangeable
D-1994 PIECE 13 1INInterchangeable
interchangeable cross-reference
interchangeable
D-1994Interchangeable
interchangeable cross-reference
interchangeable
D-1994 SIZE 2INInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18436Interchangeable
interchangeable cross-reference
interchangeable
MIL-V-18436Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-1994 PIECE 3?
D-1994 PIECE 3 is a PARTS KIT,CHECK VALVE.
What parts can replace D-1994 PIECE 3?
There are 19 known substitutes for D-1994 PIECE 3: A1909, D-1994 PIECE 13 1IN, D-1994 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-1994 PIECE 3?
D-1994 PIECE 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-103-7312. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026