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1A60146 — ROTOR,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1A60146: ROTOR,ENGINE POPPET VALVE.

The ROTOR,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include bore_diameter: 0.477 INCHES NOMINAL IN, overall_height: 0.469 INCHES NOMINAL IN, style_designator: POSITIVE TYPE-TAPERED BORE, first_step_length: 0.094 INCHES NOMINAL IN, third_step_length: 0.187 INCHES NOMINAL IN, rotation_direction: CLOCKWISE. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-358-3367, 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
1A60146
NSN: 2805-00-358-3367
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 22852 — SPALLA INC (USA)
SPECIFICATIONS
bore_diameter0.477 INCHES NOMINAL IN
overall_height0.469 INCHES NOMINAL IN
style_designatorPOSITIVE TYPE-TAPERED BORE
first_step_length0.094 INCHES NOMINAL IN
third_step_length0.187 INCHES NOMINAL IN
rotation_directionCLOCKWISE
first_step_diameter0.812 INCHES NOMINAL IN
third_step_diameter1.219 INCHES NOMINAL IN
minimum_rotation_in_deg360.0
distance_from_end_to_nearest_step0.062 INCHES NOMINAL IN
tapered_bore_included_angle_in_degREDUCES ON OPPOSITE END TO 0.386 IN. 0.312 IN. LG IN
NSN2805-00-358-3367
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROTOR,ENGINE POPPET VALVE TITLE COMPONENT PN 1A60146 MFR ROTOR,ENGINE POPPET VA
KEY FEATURES
•
FIRST STEP DIAMETER: 0.812 INCHES NOMINAL IN
•
THIRD STEP DIAMETER: 1.219 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POSITIVE TYPE-TAPERED BORE
•
ROTATION DIRECTION: CLOCKWISE
•
DISTANCE FROM END TO NEAREST STEP: 0.062 INCHES NOMINAL IN
•
FIRST STEP LENGTH: 0.094 INCHES NOMINAL IN
•
MINIMUM ROTATION IN DEG: 360.0
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.469 INCHES NOMINAL IN
FIRST STEP DIAMETER0.812 INCHES NOMINAL IN
THIRD STEP DIAMETER1.219 INCHES NOMINAL IN
STYLE DESIGNATORPOSITIVE TYPE-TAPERED BORE
ROTATION DIRECTIONCLOCKWISE
DISTANCE FROM END TO NEAREST STEP0.062 INCHES NOMINAL IN
FIRST STEP LENGTH0.094 INCHES NOMINAL IN
MINIMUM ROTATION IN DEG360.0
BORE DIAMETER0.477 INCHES NOMINAL IN
TAPERED BORE INCLUDED ANGLE IN DEGREDUCES ON OPPOSITE END TO 0.386 IN. 0.312 IN. LG IN
SUBSTITUTES & CROSS-REFERENCES 3
1329023Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
858603Reference document
Same NSN cross-reference
Reference document — Secondary reference
RC17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1A60146?
1A60146 is a ROTOR,ENGINE POPPET VALVE.
What parts can replace 1A60146?
There are 3 known substitutes for 1A60146: 1329023, 858603, RC17. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A60146?
1A60146 is cataloged in the U.S. Government catalog under NSN 2805-00-358-3367. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.