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Technical Data Sheet
PartsTable / COMPONENT / 4H90623-101A
4H90623-101A ✓ 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,RELIEF,PRESSURE AND TEMPER. Key specifications include body_style: STRAIGHT THRU, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, flow_control_device: POPPET, media_for_which_designed: HYDROCARBON FUELS AND OILS, first_end_connection_type: THREADED INTERNAL TUBE, valve_discharge_flow_rate: 20.0 GALLONS PER MINUTE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-344-4511, 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
4H90623-101A
NSN: 4820-00-344-4511
FSC: 4820
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
flow_control_devicePOPPET
end_connection_quantity2
media_for_which_designedHYDROCARBON FUELS AND OILS
first_end_connection_typeTHREADED INTERNAL TUBE
valve_discharge_flow_rate20.0 GALLONS PER MINUTE
second_end_relationship_with_first_endIDENTICAL
NSN4820-00-344-4511
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4H90623-101A · 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
•
BODY STYLE: STRAIGHT THRU
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
END CONNECTION QUANTITY: 2
•
FIRST END CONNECTION TYPE: THREADED INTERNAL TUBE
•
VALVE DISCHARGE FLOW RATE: 20.0 GALLONS PER MINUTE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MEDIA FOR WHICH DESIGNED: HYDROCARBON FUELS AND OILS
•
FLOW CONTROL DEVICE: POPPET
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLESTRAIGHT THRU
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPETHREADED INTERNAL TUBE
VALVE DISCHARGE FLOW RATE20.0 GALLONS PER MINUTE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MEDIA FOR WHICH DESIGNEDHYDROCARBON FUELS AND OILS
FLOW CONTROL DEVICEPOPPET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
9343Interchangeable
interchangeable cross-reference
interchangeable
N59937Interchangeable
interchangeable cross-reference
interchangeable
59937Interchangeable
interchangeable cross-reference
interchangeable
361-60094Interchangeable
interchangeable cross-reference
interchangeable
W8119088PC14Interchangeable
interchangeable cross-reference
interchangeable
C12A3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4H90623-101A?
4H90623-101A is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 4H90623-101A?
There are 14 known substitutes for 4H90623-101A: 9343, N59937, 59937 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4H90623-101A?
4H90623-101A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-344-4511. 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