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RC37A ✓ Verified by PartsTable
— · 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 ROTOR,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include bore_diameter: 0.770 INCHES NOMINAL IN, overall_height: 0.738 INCHES NOMINAL IN, style_designator: POSITIVE TYPE-STRAIGHT BORE, first_step_length: 0.090 INCHES NOMINAL IN, rotation_direction: CLOCKWISE AND COUNTERCLOCKWISE, second_step_length: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-737-5209, 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
RC37A
NSN: 2805-00-737-5209
FSC: 2805
CAGE: 78557 — TOLEDO PICKLING & STEEL SALES (USA)
SPECIFICATIONS
bore_diameter0.770 INCHES NOMINAL IN
overall_height0.738 INCHES NOMINAL IN
style_designatorPOSITIVE TYPE-STRAIGHT BORE
first_step_length0.090 INCHES NOMINAL IN
rotation_directionCLOCKWISE AND COUNTERCLOCKWISE
second_step_length0.375 INCHES NOMINAL IN
first_step_diameter1.525 INCHES NOMINAL IN
starting_load_range+95.0 TO 265.0 POUNDS LBS
second_step_diameter1.772 INCHES NOMINAL IN
minimum_rotation_in_deg2.0
distance_from_end_to_nearest_step0.185 INCHES NOMINAL IN
spring_and_ball_retainer_inside_diameter0.870 INCHES NOMINAL IN
NSN2805-00-737-5209
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROTOR,ENGINE POPPET VALVE TITLE COMPONENT PN RC37A MFR ROTOR,ENGINE POPPET VA
KEY FEATURES
•
FIRST STEP DIAMETER: 1.525 INCHES NOMINAL IN
•
MINIMUM ROTATION IN DEG: 2.0
•
DISTANCE FROM END TO NEAREST STEP: 0.185 INCHES NOMINAL IN
•
FIRST STEP LENGTH: 0.090 INCHES NOMINAL IN
•
SECOND STEP DIAMETER: 1.772 INCHES NOMINAL IN
•
BORE DIAMETER: 0.770 INCHES NOMINAL IN
•
ROTATION DIRECTION: CLOCKWISE AND COUNTERCLOCKWISE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.738 INCHES NOMINAL IN
FIRST STEP DIAMETER1.525 INCHES NOMINAL IN
MINIMUM ROTATION IN DEG2.0
DISTANCE FROM END TO NEAREST STEP0.185 INCHES NOMINAL IN
FIRST STEP LENGTH0.090 INCHES NOMINAL IN
SECOND STEP DIAMETER1.772 INCHES NOMINAL IN
BORE DIAMETER0.770 INCHES NOMINAL IN
ROTATION DIRECTIONCLOCKWISE AND COUNTERCLOCKWISE
STYLE DESIGNATORPOSITIVE TYPE-STRAIGHT BORE
SPRING AND BALL RETAINER INSIDE DIAMETER0.870 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4171402-065Interchangeable
interchangeable cross-reference
interchangeable
5905PL0912001Interchangeable
interchangeable cross-reference
interchangeable
947934-1022Interchangeable
interchangeable cross-reference
interchangeable
306809Interchangeable
interchangeable cross-reference
interchangeable
308699Interchangeable
interchangeable cross-reference
interchangeable
R600I3370Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RC37A?
RC37A is a ROTOR,ENGINE POPPET VALVE.
What parts can replace RC37A?
There are 8 known substitutes for RC37A: 4171402-065, 5905PL0912001, 947934-1022 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RC37A?
RC37A is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-737-5209. 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