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Technical Data Sheet
PartsTable / COMPONENT / 559B-6M-35
559B-6M-35 ✓ 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

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include end_item_identification: GENERATOR SET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-056-3600, 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
559B-6M-35
NSN: 4820-01-056-3600
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
end_item_identificationGENERATOR SET
NSN4820-01-056-3600
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 559B-6M-35 · 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 7
11779Interchangeable
interchangeable cross-reference
interchangeable
114D179-14Interchangeable
interchangeable cross-reference
interchangeable
1503-16Interchangeable
interchangeable cross-reference
interchangeable
J517Interchangeable
interchangeable cross-reference
interchangeable
559B-2M-15Interchangeable
interchangeable cross-reference
interchangeable
11779 PT NO. 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 559B-6M-35?
559B-6M-35 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 559B-6M-35?
There are 7 known substitutes for 559B-6M-35: 11779, 114D179-14, 1503-16 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 559B-6M-35?
559B-6M-35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-056-3600. 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