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Technical Data Sheet
PartsTable / COMPONENT / 077C
077C ✓ 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 COMPRESSOR,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bonnet_type: INSIDE SPRING, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: FLARE(TUBE) ALL ENDS, style_designator: ANGLE, operating_pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-499-5988, 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
077C
NSN: 4820-01-499-5988
FSC: 4820
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bonnet_typeINSIDE SPRING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_styleFLARE(TUBE) ALL ENDS
style_designatorANGLE
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePISTON
valve_operation_methodAUTOMATIC
end_item_identificationCENTRIFUGAL COMPRESSOR
bonnet_attachment_methodTHREADED
media_for_which_designedLIQUID SECOND RESPONSE
NSN4820-01-499-5988
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 077C · 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
•
OPERATING PRESSURE: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
CONNECTION STYLE: FLARE(TUBE) ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
•
MEDIA FOR WHICH DESIGNED: LIQUID SECOND RESPONSE
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCENTRIFUGAL COMPRESSOR
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CONNECTION STYLEFLARE(TUBE) ALL ENDS
VALVE OPERATION METHODAUTOMATIC
MEDIA FOR WHICH DESIGNEDLIQUID SECOND RESPONSE
STYLE DESIGNATORANGLE
SPECIAL FEATURESDRESSER RAND PURCHASES THIS VALVE (PC 82) AND SPRING (PC 81, P/N 407S-WS) FROM FULFLO AND ASSEMBLES AND SETS CRACKING PRESSURE AT THEIR FACTORY. DRESSER RAND REFUSED TO SPECIFY CRACKING PRESSURE SETTING. SIMILAR ITEM IS 4820-01-259-8850 WHICH USES THE SAME SPRING AND IS SET AT 55 PSI.
MATERIALSTEEL OVERALL
ADJUSTABLE PRESSURE RANGE+30.0 TO 100.0 POUNDS PER SQUARE INCH LBS
MEDIA FOR WHICH DESIGNEDOIL FIRST RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
77CInterchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/5Interchangeable
interchangeable cross-reference
interchangeable
H7106553-19GPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 077C?
077C is a COMPRESSOR,CENTRIFUGAL.
What parts can replace 077C?
There are 23 known substitutes for 077C: ASTM B221, QQ-A-200/3, AMS-QQ-A-200/3 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 077C?
077C is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-499-5988. 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