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Technical Data Sheet
PartsTable / COMPONENT / 774020
774020 ✓ 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

SLIDE,DIRECTIONAL CONTROL LINEAR. Key specifications include material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-383-6747, 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
774020
NSN: 4820-00-383-6747
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
NSN4820-00-383-6747
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 774020 · 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: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
H60WHD40117Interchangeable
interchangeable cross-reference
interchangeable
NH-6376Interchangeable
interchangeable cross-reference
interchangeable
NH-6376 PIECE 420Interchangeable
interchangeable cross-reference
interchangeable
NH7335PC420Interchangeable
Same NIIN cross-reference
interchangeable
NH7407PC420Interchangeable
Same NIIN cross-reference
interchangeable
420NC6096Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 774020?
774020 is a SLIDE,DIRECTIONAL CONTROL LINEAR.
What parts can replace 774020?
There are 7 known substitutes for 774020: H60WHD40117, NH-6376, NH-6376 PIECE 420 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 774020?
774020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-383-6747. 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