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Technical Data Sheet
PartsTable / COMPONENT / 74988659
74988659 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: RETRACTOR SWIVEL MAYO 2.75 INCHES BY 2 INCHES (1) PER PACKAGE IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-111-3232, 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
74988659
NSN: 4820-00-111-3232
FSC: 4820
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
special_features2.75 INCHES BY 2 INCHES MAYO SWIVEL RETRACTOR; FOR USE WITH THE GF400 FASTSYSTEM GENERAL AND GF450 EXPANDED GENERAL RETRACTOR SYSTEM IN
part_name_assigned_by_controlling_agencyRETRACTOR SWIVEL MAYO 2.75 INCHES BY 2 INCHES (1) PER PACKAGE IN
NSN4820-00-111-3232
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 74988659 · 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 17
3335CInterchangeable
interchangeable cross-reference
interchangeable
GL1134Interchangeable
interchangeable cross-reference
interchangeable
GL1135Interchangeable
interchangeable cross-reference
interchangeable
379Interchangeable
interchangeable cross-reference
interchangeable
333-5Interchangeable
interchangeable cross-reference
interchangeable
3411BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74988659?
74988659 is a DISK,VALVE.
What parts can replace 74988659?
There are 17 known substitutes for 74988659: 3335C, GL1134, GL1135 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74988659?
74988659 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-111-3232. 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