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Technical Data Sheet
PartsTable / COMPONENT / C-9976
C-9976 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-178-8809, 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
C-9976
NSN: 4820-01-178-8809
FSC: 4820
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identificationSEAWOLF SUBMARINE
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
NSN4820-01-178-8809
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C-9976 · 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
•
CONNECTION TYPE: FLANGE ALL ENDS
•
MATERIAL: STEEL BODY
•
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MOUNTING POSITION: HORIZONTAL
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEFLANGE ALL ENDS
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALSTEEL CORROSION RESISTING SEAT
MOUNTING POSITIONHORIZONTAL
MATERIALSTEEL CORROSION RESISTING STEM
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
708863Interchangeable
interchangeable cross-reference
interchangeable
110DInterchangeable
interchangeable cross-reference
interchangeable
2871SInterchangeable
interchangeable cross-reference
interchangeable
32-20UHInterchangeable
interchangeable cross-reference
interchangeable
524BS716-4Interchangeable
interchangeable cross-reference
interchangeable
9140-0008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-9976?
C-9976 is a COIL,RADIO FREQUENCY.
What parts can replace C-9976?
There are 7 known substitutes for C-9976: 708863, 110D, 2871S and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C-9976?
C-9976 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-178-8809. 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