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Technical Data Sheet
PartsTable / COMPONENT / D49-30UU-02 1/2 IN
D49-30UU-02 1/2 IN ✓ 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 D49-30UU-02 1/2 IN 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 4820-01-050-9077, 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
D49-30UU-02 1/2 IN
NSN: 4820-01-050-9077
FSC: 4820
CAGE: 65079 — DANCO VALVE COMPANY (USA)
SPECIFICATIONS
Part NumberD49-30UU-02 1/2 IN
NSN4820-01-050-9077
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D49-30UU-02 1/2 IN · 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
•
VALVE OPERATION METHOD: AUTOMATIC
•
ADJUSTABLE PRESSURE RANGE: +551.0 TO 650.0 POUNDS PER SQUARE INCH LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: COPPER ALLOY BODY
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
ADJUSTABLE PRESSURE RANGE+551.0 TO 650.0 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 304 SEAT
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION STYLESTREAMLINED WITH TWO BRAZING RINGS (TUBE) SECOND END
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
52603Interchangeable
interchangeable cross-reference
interchangeable
9523Interchangeable
interchangeable cross-reference
interchangeable
GGG-E-936Interchangeable
interchangeable cross-reference
interchangeable
694580-96Interchangeable
interchangeable cross-reference
interchangeable
C222201-7Interchangeable
interchangeable cross-reference
interchangeable
9523CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D49-30UU-02 1/2 IN?
D49-30UU-02 1/2 IN is a D49-30UU-02 1/2 IN.
What parts can replace D49-30UU-02 1/2 IN?
There are 11 known substitutes for D49-30UU-02 1/2 IN: 52603, 9523, GGG-E-936 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D49-30UU-02 1/2 IN?
D49-30UU-02 1/2 IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-050-9077. 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