PartsTable
Technical Data Sheet
9-1985-1 ✓ 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

ACTUATOR,ELECTRO-MECHANICAL,LINE. Key specifications include material: STEEL CORROSION RESISTING BODY, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) SECOND END, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-300-7738, 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
9-1985-1
NSN: 4820-01-300-7738
FSC: 4820
CAGE: 72352 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
seat_angle37.0 DEGREES FIRST END
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.562 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4820-01-300-7738
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 9-1985-1 · 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
SEAT ANGLE: 37.0 DEGREES FIRST END
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN
MATERIAL: STEEL CORROSION RESISTING BODY
THREAD DIRECTION: RIGHT-HAND ALL ENDS
THREAD CLASS: 3A ALL ENDS A
CONNECTION STYLE: PLAIN (TUBE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE37.0 DEGREES FIRST END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
MATERIALSTEEL CORROSION RESISTING BODY
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS A
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
192-NPSPInterchangeable
interchangeable cross-reference
interchangeable
QUA90020Interchangeable
interchangeable cross-reference
interchangeable
34696Interchangeable
interchangeable cross-reference
interchangeable
209-076-655-3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9-1985-1?
9-1985-1 is a ACTUATOR,ELECTRO-MECHANICAL,LINE.
What parts can replace 9-1985-1?
There are 4 known substitutes for 9-1985-1: 192-NPSP, QUA90020, 34696 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9-1985-1?
9-1985-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-300-7738. This indicates validated use in U.S. government and defense supply chains.
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