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Technical Data Sheet
PartsTable / COMPONENT / D40HUU-06 1/4 IN
D40HUU-06 1/4 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 D40HUU-06 1/4 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 4820-01-068-2981, 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
D40HUU-06 1/4 IN
NSN: 4820-01-068-2981
FSC: 4820
CAGE: 65079 — DANCO VALVE COMPANY (USA)
SPECIFICATIONS
Part NumberD40HUU-06 1/4 IN
NSN4820-01-068-2981
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D40HUU-06 1/4 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
BONNET TYPE: INSIDE SPRING
•
BONNET ATTACHMENT METHOD: THREADED
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION STYLE: SOCKET WITH BRAZING RING ALL ENDS
•
MATERIAL: NICKEL ALLOY FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS IN
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
END ITEM IDENTIFICATIONSTURGEON CLASS SSN(637)
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
ADJUSTABLE PRESSURE RANGE+76.0 TO 105.0 POUNDS PER SQUARE INCH LBS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
99391-1Interchangeable
interchangeable cross-reference
interchangeable
9663Interchangeable
interchangeable cross-reference
interchangeable
SSDR4Interchangeable
interchangeable cross-reference
interchangeable
GGG-S-121Interchangeable
interchangeable cross-reference
interchangeable
GGG-S-121 TY6CL2Interchangeable
interchangeable cross-reference
interchangeable
819367-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D40HUU-06 1/4 IN?
D40HUU-06 1/4 IN is a D40HUU-06 1/4 IN.
What parts can replace D40HUU-06 1/4 IN?
There are 24 known substitutes for D40HUU-06 1/4 IN: 99391-1, 9663, SSDR4 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D40HUU-06 1/4 IN?
D40HUU-06 1/4 IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-068-2981. 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