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PartsTable / COMPONENT / D-1994 1 1/2IN
D-1994 1 1/2IN ✓ 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 D-1994 1 1/2IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-7996, 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 1 1/2IN
NSN: 4820-01-091-7996
FSC: 4820
CAGE: 17062 — P J VALVES INC (USA)
SPECIFICATIONS
Part NumberD-1994 1 1/2IN
NSN4820-01-091-7996
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D-1994 1 1/2IN · 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
•
MATERIAL: STEEL BODY
•
VALVE OPERATION METHOD: AUTOMATIC
•
DISK LOADING METHOD: WEIGHT
•
FLOW CONTROL DEVICE: DISK
•
RENEWABLE SEAT RING TYPE: RETAINING SCREW
•
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
•
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BODY
VALVE OPERATION METHODAUTOMATIC
DISK LOADING METHODWEIGHT
FLOW CONTROL DEVICEDISK
RENEWABLE SEAT RING TYPERETAINING SCREW
CONNECTION STYLESOCKET (PIPE) ALL ENDS
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALSTEEL CORROSION RESISTING SEAT
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
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
A1907Interchangeable
interchangeable cross-reference
interchangeable
A1908PJInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-1994 1 1/2IN?
D-1994 1 1/2IN is a D-1994 1 1/2IN.
What parts can replace D-1994 1 1/2IN?
There are 23 known substitutes for D-1994 1 1/2IN: A1909, D-1994 PIECE 13 1IN, D-1994 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-1994 1 1/2IN?
D-1994 1 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-7996. 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