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1090A ✓ 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

ACTUATOR,HYDRAULIC-PNEUMATIC,ROT. Key specifications include material: COPPER, special_features: ALLOY C63200 AND SPEC ASTM-B150, end_item_identification: ROTARY HYDRAULIC ACTUACTOR MODEL 1090A ASSEMBLY A, model_for_which_designed: FLO-TORK INC MODEL 1090A A, part_name_assigned_by_controlling_agency: GEAR RACK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-544-3338, 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
1090A
NSN: 4810-01-544-3338
FSC: 4810
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialCOPPER
special_featuresALLOY C63200 AND SPEC ASTM-B150
end_item_identificationROTARY HYDRAULIC ACTUACTOR MODEL 1090A ASSEMBLY A
model_for_which_designedFLO-TORK INC MODEL 1090A A
part_name_assigned_by_controlling_agencyGEAR RACK
NSN4810-01-544-3338
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1090A · 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 11
41571Interchangeable
interchangeable cross-reference
interchangeable
1090-41565Interchangeable
interchangeable cross-reference
interchangeable
1090-41565 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
41572Interchangeable
interchangeable cross-reference
interchangeable
1090-41565 ITEM 7Interchangeable
interchangeable cross-reference
interchangeable
41568Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1090A?
1090A is a ACTUATOR,HYDRAULIC-PNEUMATIC,ROT.
What parts can replace 1090A?
There are 11 known substitutes for 1090A: 41571, 1090-41565, 1090-41565 ITEM 6 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1090A?
1090A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-544-3338. 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