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PartsTable / COMPONENT / MHC40-T-40A-4
MHC40-T-40A-4 ✓ 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 CARTRIDGE,STOP-CHECK VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, seat_angle: 12.0 DEGREES ALL ENDS, body_length: 0.930 INCHES MAXIMUM IN, bonnet_type: INSIDE SCREW, thread_class: 2A ALL ENDS A, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-178-2903, 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
MHC40-T-40A-4
NSN: 4820-01-178-2903
FSC: 4820
CAGE: 78357 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLER DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY
seat_angle12.0 DEGREES ALL ENDS
body_length0.930 INCHES MAXIMUM IN
bonnet_typeINSIDE SCREW
thread_class2A ALL ENDS A
inclosure_typeFULLY INCLOSED
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
mounting_methodTHREADED HOLE(S) SINGLE GROUP
connection_styleFLARELESS (TUBE) ALL ENDS
frequency_rating25.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_featuresTEST CONNECTION FOR 1/4 IN. 37 DEGREE FLARED TUBING MALE END PER MS-33656 ON END OF STEM,CLEANING PER MIL-STD-1330 FOR MEDICAL SERVICE IN
style_designatorSTRAIGHT THRU
NSN4820-01-178-2903
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MHC40-T-40A-4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
984658-2Interchangeable
interchangeable cross-reference
interchangeable
860924Interchangeable
interchangeable cross-reference
interchangeable
10845Interchangeable
interchangeable cross-reference
interchangeable
398065-00Interchangeable
interchangeable cross-reference
interchangeable
10845SSInterchangeable
Same NIIN cross-reference
interchangeable
MHC40-T40A-4-PInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MHC40-T-40A-4?
MHC40-T-40A-4 is a CARTRIDGE,STOP-CHECK VALVE.
What parts can replace MHC40-T-40A-4?
There are 6 known substitutes for MHC40-T-40A-4: 984658-2, 860924, 10845 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MHC40-T-40A-4?
MHC40-T-40A-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-178-2903. 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