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Technical Data Sheet
PartsTable / MRO / R1-91
R1-91 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, body_length: 0.562 INCHES NOMINAL IN, cooling_fin: NOT INCLUDED, balancing_pad: NOT INCLUDED, body_diameter: 0.225 INCHES NOMINAL IN, overall_width: 1.531 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 5895-01-094-1712, 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
MRO→ MRO_GENERAL→ R1-91
NSN: 5895-01-094-1712
FSC: 5895
CAGE: 57816 — DONFRED INC DBA TRANSCIENCE (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
body_length0.562 INCHES NOMINAL IN
cooling_finNOT INCLUDED
balancing_padNOT INCLUDED
body_diameter0.225 INCHES NOMINAL IN
overall_width1.531 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
oil_drain_holeNOT INCLUDED
adjustment_holeNOT INCLUDED
inspection_holeNOT INCLUDED
outside_diameter4.3307 INCHES NOMINAL IN
NSN5895-01-094-1712
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,COMPOSITION TITLE COMPONENT PN R1-91 MFR RESISTOR,FIXED,COMPOSI
KEY FEATURES
•
UNABLE TO DECODE: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
454Interchangeable
interchangeable cross-reference
interchangeable
1303281Interchangeable
interchangeable cross-reference
interchangeable
MILR39008-3Interchangeable
interchangeable cross-reference
interchangeable
R1-91Interchangeable
interchangeable cross-reference
interchangeable
RCR32G910JRInterchangeable
interchangeable cross-reference
interchangeable
SCR110-12Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1-91?
R1-91 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace R1-91?
There are 7 known substitutes for R1-91: 454, 1303281, MILR39008-3 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R1-91?
R1-91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-094-1712. 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