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Technical Data Sheet
PartsTable / COMPONENT / D1784-1 1/2INGLBSTP
D1784-1 1/2INGLBSTP ✓ 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 D1784-1 1/2INGLBSTP is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-032-5696, 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
D1784-1 1/2INGLBSTP
NSN: 4820-01-032-5696
FSC: 4820
CAGE: 17062 — P J VALVES INC (USA)
SPECIFICATIONS
Part NumberD1784-1 1/2INGLBSTP
NSN4820-01-032-5696
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D1784-1 1/2INGLBSTP · 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
•
FLOW CONTROL DEVICE: DISK
•
BONNET ATTACHMENT METHOD: BOLTED
•
BOLT HOLE QUANTITY: 4 ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
CONNECTION TYPE: FLANGE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288,COMP E FED SPEC SINGLE MATERIAL RESPONSE BODY
•
VALVE SIZE: 1.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
BONNET ATTACHMENT METHODBOLTED
BOLT HOLE QUANTITY4 ALL ENDS
VALVE OPERATION METHODMANUAL
FLANGE SHAPEROUND WITH HOLES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP E FED SPEC SINGLE MATERIAL RESPONSE BODY
VALVE SIZE1.500 INCHES IN
MAXIMUM OPERATING TEMP775.0 FAHRENHEIT SINGLE RESPONSE DEGF
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
D3550Interchangeable
interchangeable cross-reference
interchangeable
100-046S64D1Interchangeable
interchangeable cross-reference
interchangeable
806-005Interchangeable
interchangeable cross-reference
interchangeable
ASTMD2846-69Interchangeable
interchangeable cross-reference
interchangeable
05001007Interchangeable
interchangeable cross-reference
interchangeable
MILV17737 TYPEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D1784-1 1/2INGLBSTP?
D1784-1 1/2INGLBSTP is a D1784-1 1/2INGLBSTP.
What parts can replace D1784-1 1/2INGLBSTP?
There are 21 known substitutes for D1784-1 1/2INGLBSTP: D3550, 100-046S64D1, 806-005 and 18 more. Substitute compatibility should be verified for your specific system.
Is D1784-1 1/2INGLBSTP still available?
D1784-1 1/2INGLBSTP 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