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PartsTable / COMPONENT / F-8277 429070
F-8277 429070 ✓ 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 material: STEEL CORROSION RESISTING OVERALL, end_style: SPRING END,GROUND BOTH ENDS, inside_diameter: 1.250 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 2.250 INCHES NOMINAL IN, spring_solid_length: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-278-4068, 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-8277 429070
NSN: 4820-01-278-4068
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSPRING END,GROUND BOTH ENDS
coil_quantity4
inside_diameter1.250 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length2.250 INCHES NOMINAL IN
spring_solid_length0.500 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate59.0 POUNDS PER INCH NOMINAL LBS
end_item_identificationVESSEL ASSEMBLY
spring_free_outside_diameter1.500 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySPRING
NSN4820-01-278-4068
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F-8277 429070 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
429070Interchangeable
interchangeable cross-reference
interchangeable
B2254Interchangeable
interchangeable cross-reference
interchangeable
916659Interchangeable
interchangeable cross-reference
interchangeable
F-8277 PC1Interchangeable
interchangeable cross-reference
interchangeable
910311-31Interchangeable
interchangeable cross-reference
interchangeable
900-099Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F-8277 429070?
F-8277 429070 is a PARTS KIT,VALVE.
What parts can replace F-8277 429070?
There are 17 known substitutes for F-8277 429070: 429070, B2254, 916659 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-8277 429070?
F-8277 429070 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-278-4068. 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