PartsTable
Technical Data Sheet
KC49679-1 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include mounting_position: HORIZONTAL OR VERTICAL, operating_pressure: 36.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: DISK, maximum_operating_temp: 840.0 FAHRENHEIT SINGLE RESPONSE DEGF, minimum_operating_temp: -65.0 FAHRENHEIT DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-448-4645, 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
KC49679-1
NSN: 4820-01-448-4645
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure36.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp840.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp-65.0 FAHRENHEIT DEGF
valve_operation_methodAUTOMATIC
end_item_identificationAIRCRAFT, STRATOLIFTER C-135
media_for_which_designedAIR SINGLE RESPONSE
part_name_assigned_by_controlling_agencyCHECK VALVE, 4 INCH, BLEED AIR IN
NSN4820-01-448-4645
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: KC49679-1 · 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
VALVE OPERATION METHOD: AUTOMATIC
MAXIMUM OPERATING TEMP: 840.0 FAHRENHEIT SINGLE RESPONSE DEGF
OPERATING PRESSURE: 36.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MINIMUM OPERATING TEMP: -65.0 FAHRENHEIT DEGF
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
FLOW CONTROL DEVICE: DISK
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
MAXIMUM OPERATING TEMP840.0 FAHRENHEIT SINGLE RESPONSE DEGF
OPERATING PRESSURE36.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MINIMUM OPERATING TEMP-65.0 FAHRENHEIT DEGF
PART NAME ASSIGNED BY CONTROLLING AGENCYCHECK VALVE, 4 INCH, BLEED AIR IN
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
FLOW CONTROL DEVICEDISK
DISK LOADING METHODSPRING
END ITEM IDENTIFICATIONAIRCRAFT, STRATOLIFTER C-135
MOUNTING POSITIONHORIZONTAL OR VERTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A950Interchangeable
interchangeable cross-reference
interchangeable
5310PL0951123Interchangeable
interchangeable cross-reference
interchangeable
805057Interchangeable
interchangeable cross-reference
interchangeable
40049Interchangeable
interchangeable cross-reference
interchangeable
ID353BGMQ10Interchangeable
interchangeable cross-reference
interchangeable
N140A200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KC49679-1?
KC49679-1 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace KC49679-1?
There are 11 known substitutes for KC49679-1: A950, 5310PL0951123, 805057 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC49679-1?
KC49679-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-448-4645. This indicates validated use in U.S. government and defense supply chains.
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