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F-8256 429057 — PARTS KIT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

F-8256 429057: PARTS KIT,VALVE.

The PARTS KIT,VALVE is a the manufacturer industrial component. Key specifications include component_quantity: 56. This part is cataloged in the U.S.

Government catalog 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
F-8256 429057
NSN: 4820-01-277-7584
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (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: F-8256 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
•
COMPONENT QUANTITY: 56
•
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
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY56
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
SUBSTITUTES & CROSS-REFERENCES 4
6707858Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
429057Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
F-8256Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
6707858 KIT 429057Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F-8256 429057?
F-8256 429057 is a PARTS KIT,VALVE.
What parts can replace F-8256 429057?
There are 4 known substitutes for F-8256 429057: 6707858, 429057, F-8256 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-8256 429057?
F-8256 429057 is cataloged in the U.S. Government catalog under NSN 4820-01-277-7584. This indicates validated use in U.S. government and defense supply chains.
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