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Technical Data Sheet
M1904E ✓ 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 RING PISTON CLUTCH is a the manufacturer industrial component. Key specifications include corner_shape: SQUARE ALL CORNERS, overall_length: 1.0470 INCHES NOMINAL IN, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.6250 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN, body_outside_diameter: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM 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 2010-00-937-5496, 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
M1904E
NSN: 2010-00-937-5496
FSC: 2010
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
corner_shapeSQUARE ALL CORNERS
overall_length1.0470 INCHES NOMINAL IN
hardness_rating60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6250 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
body_outside_diameter0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
NSN2010-00-937-5496
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING PISTON CLUTCH TITLE COMPONENT PN M1904E MFR RING PISTON CLUTCH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
34317Interchangeable
interchangeable cross-reference
interchangeable
A34317Interchangeable
interchangeable cross-reference
interchangeable
34314 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
7A20035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1904E?
M1904E is a RING PISTON CLUTCH.
What parts can replace M1904E?
There are 4 known substitutes for M1904E: 34317, A34317, 34314 ITEM 3 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1904E?
M1904E is cataloged in the Federal Logistics Information System (FLIS) under NSN 2010-00-937-5496. This indicates validated use in U.S. government and defense supply chains.
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