PartsTable
Technical Data Sheet
T440 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: STEEL CORROSION RESISTING SEAT, body_style: STRAIGHT THRU, furnished_items: BRAZING RING, regulation_type: MANUAL SINGLE STAGE, valve_stem_design: SINGLE SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-6673, 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
T440
NSN: 4820-00-288-6673
FSC: 4820
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL CORROSION RESISTING SEAT
body_styleSTRAIGHT THRU
furnished_itemsBRAZING RING
regulation_typeMANUAL SINGLE STAGE
valve_stem_designSINGLE SEAT
valve_loading_methodDOME
outlet_pressure_range5.0 TO 600.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedAIR
renewable_seat_ring_typeTHREADED
first_end_connection_typeUNTHREADED INTERNAL PIPE
NSN4820-00-288-6673
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: T440 · 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
SECOND END BOLT HOLE DIAMETER: 0.688 INCHES NOMINAL IN
SECOND END STYLE DESIGNATOR: PLAIN
SECOND END BOLT CIRCLE DIAMETER: 4.625 INCHES NOMINAL IN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES IN
FURNISHED ITEMS: BRAZING RING
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
FIRST END BOLT HOLE QUANTITY: 6
FIRST END CONNECTION TYPE: UNTHREADED INTERNAL PIPE
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END BOLT HOLE DIAMETER0.688 INCHES NOMINAL IN
SECOND END STYLE DESIGNATORPLAIN
SECOND END BOLT CIRCLE DIAMETER4.625 INCHES NOMINAL IN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES IN
FURNISHED ITEMSBRAZING RING
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FIRST END BOLT HOLE QUANTITY6
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
SECOND END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END STYLE DESIGNATORSOCKET W/BRAZING RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SP45RAPC3Interchangeable
interchangeable cross-reference
interchangeable
S4700-1507371PC3Interchangeable
interchangeable cross-reference
interchangeable
SP47RAPC3Interchangeable
interchangeable cross-reference
interchangeable
2782Interchangeable
interchangeable cross-reference
interchangeable
ARF-519Interchangeable
interchangeable cross-reference
interchangeable
P14-2810Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T440?
T440 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace T440?
There are 7 known substitutes for T440: SP45RAPC3, S4700-1507371PC3, SP47RAPC3 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T440?
T440 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-6673. This indicates validated use in U.S. government and defense supply chains.
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