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11D — 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 FIXTURE,MAIN ROTOR is a the manufacturer industrial component. Key specifications include unit_type: CONCERT, mouthpiece: INCLUDED, inclosure_type: CASE, main_valve_type: TAPERED ROTARY, surface_treatment: LACQUER. This part is cataloged in the Federal Logistics Information System under NSN 6685-00-516-1892, 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
11D
NSN: 6685-00-516-1892
FSC: 6685
CAGE: 76906 — OPERATING & MAINTENANCE SPECIALTIES INC (USA)
SPECIFICATIONS
unit_typeCONCERT
mouthpieceINCLUDED
inclosure_typeCASE
main_valve_typeTAPERED ROTARY
special_featuresYELLOW BRASS; MEDIUM THROAT; TAPERED ROTORS AND BEARINGS; SEMI-MECHANICAL MAIN VALVES; FULLY MECHANICAL CHANGE VALVE; TWO TURNING SLIDE SYSTEMS
surface_treatmentLACQUER
NSN6685-00-516-1892
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FIXTURE,MAIN ROTOR TITLE COMPONENT PN 11D MFR FIXTURE,MAIN ROTOR
KEY FEATURES
•
FLUID TYPE FOR WHICH DESIGNED: AIR AND 0IL
•
REMOVABLE PISTON: PROVIDED
•
MATERIAL: ALUMINUM ALLOY
•
OPERATING PRESSURE RANGE: +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
•
ADDITIONAL PISTON SIZE DESIGNATION: 01 AND 03
•
PISTON SIZE DESIGNATION: 02
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.813 INCHES NOMINAL IN
FLUID TYPE FOR WHICH DESIGNEDAIR AND 0IL
REMOVABLE PISTONPROVIDED
MATERIALALUMINUM ALLOY
OPERATING PRESSURE RANGE+0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
ADDITIONAL PISTON SIZE DESIGNATION01 AND 03
PISTON SIZE DESIGNATION02
OVERALL LENGTH2.750 INCHES NOMINAL IN
THREAD SIZE7/16-20
SCREW THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A25-654AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1842714InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RR149InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13B1842714InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
84389 03163InterchangeableGOVERNMENT REGISTRY
Hawk,plasterer's
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11D?
11D is a FIXTURE,MAIN ROTOR.
What parts can replace 11D?
There are 21 known substitutes for 11D: 1D, A25-654A, 1842714 and 18 more. Substitute compatibility should be verified for your specific system.
Is 11D still available?
11D 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