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Technical Data Sheet
PartsTable / COMPONENT / 3J6650
3J6650 ✓ 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include flow_control_device: BALL, end_item_identification: ALLIS-CHALMER VALVE 8623951-4, media_for_which_designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-158-8579, 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
3J6650
NSN: 4820-01-158-8579
FSC: 4820
CAGE: 2Y614 — LINK-BELT CRANES, L.P., LLLP (USA)
SPECIFICATIONS
flow_control_deviceBALL
end_item_identificationALLIS-CHALMER VALVE 8623951-4
media_for_which_designedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
NSN4820-01-158-8579
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3J6650 · 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
•
FLOW CONTROL DEVICE: BALL
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONALLIS-CHALMER VALVE 8623951-4
FLOW CONTROL DEVICEBALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8962Interchangeable
interchangeable cross-reference
interchangeable
357Interchangeable
interchangeable cross-reference
interchangeable
221168Interchangeable
interchangeable cross-reference
interchangeable
89D2Interchangeable
interchangeable cross-reference
interchangeable
T92Interchangeable
interchangeable cross-reference
interchangeable
900123-123Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3J6650?
3J6650 is a VALVE,SAFETY RELIEF.
What parts can replace 3J6650?
There are 12 known substitutes for 3J6650: 8962, 357, 221168 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3J6650?
3J6650 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-158-8579. 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