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11-1044-4M4N — FILTER ELEMENT,AIR CONDITIONING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11-1044-4M4N: FILTER ELEMENT,AIR CONDITIONING.

FILTER ELEMENT,AIR CONDITIONING. Key specifications include material: ALUMINUM ALLOY STEMALUMINUM ALLOY BODY, flow_style: THREE-WAY THREE PORT 180 DEGREE PLUG TURNTHREE-WAY THREE PORT 180 DEGREE PLUG TURN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDSFLARED (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-373-7983, 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
11-1044-4M4N
NSN: 4820-00-373-7983
FSC: 4820 — Valves, Nonpowered
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY STEMALUMINUM ALLOY BODY
flow_styleTHREE-WAY THREE PORT 180 DEGREE PLUG TURNTHREE-WAY THREE PORT 180 DEGREE PLUG TURN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDSFLARED (TUBE) ALL ENDS
thread_directionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
mounting_facilityTHREADED FASTENERTHREADED FASTENER
surface_treatmentANODIZE
operating_pressure50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN
valve_operation_methodMANUALMANUAL
NSN4820-00-373-7983
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11-1044-4M4N · 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 STYLE: FLARED (TUBE) ALL ENDSFLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
•
FLOW STYLE: THREE-WAY THREE PORT 180 DEGREE PLUG TURNTHREE-WAY THREE PORT 180 DEGREE PLUG TURN
•
OPERATING PRESSURE: 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN
•
SEAT ANGLE: 37.0 DEGREES ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) ALL ENDSFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS IN
FLOW STYLETHREE-WAY THREE PORT 180 DEGREE PLUG TURNTHREE-WAY THREE PORT 180 DEGREE PLUG TURN
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES ALL ENDS
MOUNTING FACILITYTHREADED FASTENERTHREADED FASTENER
SURFACE TREATMENTANODIZE
SUBSTITUTES & CROSS-REFERENCES 2
11-1044-4M4Reference document
Same NSN cross-reference
Reference document — Secondary reference
11-1044-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11-1044-4M4N?
11-1044-4M4N is a FILTER ELEMENT,AIR CONDITIONING.
What parts can replace 11-1044-4M4N?
There are 2 known substitutes for 11-1044-4M4N: 11-1044-4M4, 11-1044-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 11-1044-4M4N?
11-1044-4M4N is cataloged in the U.S. Government catalog under NSN 4820-00-373-7983. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.