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Technical Data Sheet
PartsTable / COMPONENT / 429057
429057 ✓ 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 PARTS KIT,VALVE is a the manufacturer industrial component. Key specifications include component_quantity: 56. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-277-7584, 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
429057
NSN: 4820-01-277-7584
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
component_quantity56
NSN4820-01-277-7584
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 429057 · 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
•
NONSUPPLY ITEMS AND QUANTITIES: PILOT VALVE BODY 1; HOUSING 1; CAPS 2; SCREWS 8; SLEEVES 2; PISTON 1; GEARS 2; ROLLPINS 2; BEARING RETAINER 1; BALL BEARING 1; SPINDLES 3; KEEPERS 2; SPRING 1; GROOVE PIN 1; PLATE 1; PACKING PREFORMED 1; ADAPTER 1; HEX NUTS 3; STUDS 3; NEEDLE BEARINGS 4; WEIGHTS 2; COTTER PINS 4; TEES 2; ELBOWS 3; TUBE 1; FLANGE 1; SPACER 1; SHAFT 1
•
COMPONENT QUANTITY: 56
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIESPILOT VALVE BODY 1; HOUSING 1; CAPS 2; SCREWS 8; SLEEVES 2; PISTON 1; GEARS 2; ROLLPINS 2; BEARING RETAINER 1; BALL BEARING 1; SPINDLES 3; KEEPERS 2; SPRING 1; GROOVE PIN 1; PLATE 1; PACKING PREFORMED 1; ADAPTER 1; HEX NUTS 3; STUDS 3; NEEDLE BEARINGS 4; WEIGHTS 2; COTTER PINS 4; TEES 2; ELBOWS 3; TUBE 1; FLANGE 1; SPACER 1; SHAFT 1
COMPONENT QUANTITY56
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
T429071Interchangeable
interchangeable cross-reference
interchangeable
F-8278 429071Interchangeable
interchangeable cross-reference
interchangeable
429071Interchangeable
interchangeable cross-reference
interchangeable
F-8286 429080Interchangeable
interchangeable cross-reference
interchangeable
6707858Interchangeable
interchangeable cross-reference
interchangeable
900099Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 429057?
429057 is a PARTS KIT,VALVE.
What parts can replace 429057?
There are 11 known substitutes for 429057: T429071, F-8278 429071, 429071 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 429057?
429057 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-277-7584. 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