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K-391 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PARTS KIT,FRICTION CLUTCH is a the manufacturer industrial component. Key specifications include end_item_name: PUMP,RECIPROCATING, end_item_source: 90166, end_item_identification: NSN 4320-00-562-3091, valve_size_for_which_designed: 8.000 INCHES IN, valve_model_number_for_which_designed: EAOCM-816NF2-3W W. This part is cataloged in the Federal Logistics Information System under NSN 4320-00-779-1323, 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
K-391
NSN: 4320-00-779-1323
FSC: 4320
CAGE: 43491 — GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
end_item_namePUMP,RECIPROCATING
end_item_source90166
special_featuresKIT CONTAINS:ORING PLUG, ORING COVER PLATE, ORING, ORING RETAINER SHAFT, ORING SHAFT, WIPER SEAL LWR CYL,POLY SEAL LWR CYL,ORING ORIFICE SEAT
end_item_identificationNSN 4320-00-562-3091
valve_size_for_which_designed8.000 INCHES IN
valve_model_number_for_which_designedEAOCM-816NF2-3W W
NSN4320-00-779-1323
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PARTS KIT,FRICTION CLUTCH TITLE COMPONENT PN K-391 MFR PARTS KIT,FRICTION CLU
KEY FEATURES
•
END ITEM NAME: PUMP,RECIPROCATING
•
END ITEM SOURCE: 90166
TECHNICAL CHARACTERISTICS
END ITEM NAMEPUMP,RECIPROCATING
END ITEM SOURCE90166
END ITEM IDENTIFICATIONNSN 4320-00-562-3091
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1Y190InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
K39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
H3-110InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
112133InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PL-HMOA71InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1141900InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K-391?
K-391 is a PARTS KIT,FRICTION CLUTCH.
What parts can replace K-391?
There are 9 known substitutes for K-391: 1Y190, K39, H3-110 and 6 more. Substitute compatibility should be verified for your specific system.
Is K-391 still available?
K-391 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026