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Technical Data Sheet
R280 ✓ 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

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.5000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN, body_outside_diameter: 1.5000 INCHES MINIMUM AND 1.5030 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 4320-00-068-5896, 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
R280
NSN: 4320-00-068-5896
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.5000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
body_outside_diameter1.5000 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
pump_design_control_activity63857
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
pump_model_number_for_which_designed3-TMM
NSN4320-00-068-5896
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,ACTUATING,LINE TITLE COMPONENT PN R280 MFR CYLINDER ASSEMBLY,ACTU
KEY FEATURES
PUMP DESIGN CONTROL ACTIVITY: 63857
PUMP MODEL NUMBER FOR WHICH DESIGNED: 3-TMM
TECHNICAL CHARACTERISTICS (FLIS)
PUMP DESIGN CONTROL ACTIVITY63857
PUMP MODEL NUMBER FOR WHICH DESIGNED3-TMM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SH437Interchangeable
interchangeable cross-reference
interchangeable
CB2024-12Interchangeable
interchangeable cross-reference
interchangeable
26432Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R280?
R280 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace R280?
There are 3 known substitutes for R280: SH437, CB2024-12, 26432. Substitute compatibility should be verified for your specific system.
What is the NSN for R280?
R280 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-068-5896. This indicates validated use in U.S. government and defense supply chains.
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