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PartsTable / COMPONENT / K874559-001
K874559-001 ✓ 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM PACKING, connection_style: SWIVEL NUT, FLARE(TUBE) FIRST END, style_designator: ANGLE, surface_treatment: ANODIZE LOCATION NOT OTHERWISE SPECIFIED, operating_pressure: 115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-473-1364, 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
K874559-001
NSN: 4820-01-473-1364
FSC: 4820
CAGE: 84955 — KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM PACKING
connection_styleSWIVEL NUT, FLARE(TUBE) FIRST END
style_designatorANGLE
surface_treatmentANODIZE LOCATION NOT OTHERWISE SPECIFIED
operating_pressure115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePOPPET
maximum_operating_temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp-40.0 FAHRENHEIT DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
opening_pressure_setting90.0 POUNDS PER SQUARE INCH LBS
valve_discharge_flow_rate5.0 GALLONS PER MINUTE
NSN4820-01-473-1364
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: K874559-001 · 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
•
MAXIMUM OPERATING TEMP: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
VALVE OPERATION METHOD: AUTOMATIC
•
FLOW CONTROL DEVICE: POPPET
•
OPENING PRESSURE SETTING: 90.0 POUNDS PER SQUARE INCH LBS
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
SURFACE TREATMENT: ANODIZE LOCATION NOT OTHERWISE SPECIFIED
•
CONNECTION STYLE: SWIVEL NUT, FLARE(TUBE) FIRST END
•
OPERATING PRESSURE: 115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING90.0 POUNDS PER SQUARE INCH LBS
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
CONNECTION STYLESWIVEL NUT, FLARE(TUBE) FIRST END
OPERATING PRESSURE115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORANGLE
SPECIAL FEATURESLOCK SCREW, ADJUSTMENT, SPRING, AND POPPET MATERIAL CORROSION RESISTANT STEEL WITH PASSIVATE FINISH; NORMAL OPERATING TEMPERATURE PLUS 280.0 DEG. F; MAXIMUM TEMPERATURE PLUS 450.0 DEG. F; NOMINAL LENGTH 1.645 IN.; INSIDE DIA. 0.335 TO 0.337 IN.; OUTSIDE DIA. 0.434 TO 0.435 IN.; DISTANCE ACROSS HEX HEAD IS 0.813 IN. NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S15305Interchangeable
interchangeable cross-reference
interchangeable
SP8675Interchangeable
interchangeable cross-reference
interchangeable
SA395Interchangeable
interchangeable cross-reference
interchangeable
A395Interchangeable
interchangeable cross-reference
interchangeable
A3.95Interchangeable
interchangeable cross-reference
interchangeable
EM4111TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K874559-001?
K874559-001 is a VALVE,SAFETY RELIEF.
What parts can replace K874559-001?
There are 8 known substitutes for K874559-001: S15305, SP8675, SA395 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K874559-001?
K874559-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-473-1364. 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