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SM0812-12A — Technical Data Sheet

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— · 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 RETAINER,SEAT,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 04613, valve_model_number_for_which_designed: SM0819. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-432-3983, 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
SM0812-12A
NSN: 4820-01-432-3983
FSC: 4820
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity04613
valve_model_number_for_which_designedSM0819
NSN4820-01-432-3983
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SM0812-12A · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: SM0819
•
VALVE DESIGN CONTROL ACTIVITY: 04613
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VALVE MODEL NUMBER FOR WHICH DESIGNEDSM0819
VALVE DESIGN CONTROL ACTIVITY04613
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SM0819-11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM0819-12BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
161-935-160-360-042InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM0819InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM0819 2 1/2-24IN IT 2CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
145-205-060-370InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM0812-12A?
SM0812-12A is a RETAINER,SEAT,VALVE.
What parts can replace SM0812-12A?
There are 20 known substitutes for SM0812-12A: SM0819-11, SM0819-12B, 161-935-160-360-042 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM0812-12A?
SM0812-12A is cataloged in the Federal Logistics Information System under NSN 4820-01-432-3983. 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: October 2026