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PartsTable / COMPONENT / E2921PC273
E2921PC273 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The GEAR,WORM is a the manufacturer industrial component. Key specifications include pitch_diameter: 3.3610 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, hardness_rating: 60.0 ROCKWELL C NOMINAL OVERALL, face_nominal_width: 1.125 INCHES IN, thread_form_direction: RIGHT-HAND, nominal_overall_length: 1.750 INCHES 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 3020-00-256-3463, 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
E2921PC273
NSN: 3020-00-256-3463
FSC: 3020
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
pitch_diameter3.3610 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
hardness_rating60.0 ROCKWELL C NOMINAL OVERALL
face_nominal_width1.125 INCHES IN
thread_form_quantity9
thread_form_directionRIGHT-HAND
nominal_overall_length1.750 INCHES IN
nominal_distance_between_body_face_and_protruding_hub_end0.625 INCHES FIRST END IN
NSN3020-00-256-3463
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,WORM TITLE COMPONENT PN E2921PC273 MFR GEAR,WORM
KEY FEATURES
•
PITCH DIAMETER: 3.3610 INCHES NOMINAL IN
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.625 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.750 INCHES IN
•
FACE NOMINAL WIDTH: 1.125 INCHES IN
•
PRESSURE ANGLE: 14.5000 DEGREES
•
THREAD FORM DIRECTION: RIGHT-HAND
•
THREAD FORM QUANTITY: 9
•
HARDNESS RATING: 60.0 ROCKWELL C NOMINAL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PITCH DIAMETER3.3610 INCHES NOMINAL IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.625 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.750 INCHES IN
FACE NOMINAL WIDTH1.125 INCHES IN
PRESSURE ANGLE14.5000 DEGREES
THREAD FORM DIRECTIONRIGHT-HAND
THREAD FORM QUANTITY9
HARDNESS RATING60.0 ROCKWELL C NOMINAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
137987-02Interchangeable
interchangeable cross-reference
interchangeable
D505Interchangeable
interchangeable cross-reference
interchangeable
30434Interchangeable
interchangeable cross-reference
interchangeable
36B01867PC434Interchangeable
interchangeable cross-reference
interchangeable
AVC1S4901-044PC434Interchangeable
interchangeable cross-reference
interchangeable
BB61S49-039PC434Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E2921PC273?
E2921PC273 is a GEAR,WORM.
What parts can replace E2921PC273?
There are 13 known substitutes for E2921PC273: 137987-02, D505, 30434 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E2921PC273?
E2921PC273 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-256-3463. 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.
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Last verified: July 2026