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Technical Data Sheet
PartsTable / MRO / ER250MA
ER250MA ✓ 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 REEL,MAGNETIC RECORDING TAPE is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC, overall_width: 0.495 INCHES NOMINAL IN, overall_diameter: 5.000 INCHES NOMINAL IN, hub_inside_diameter: 0.319 INCHES NOMINAL IN, hub_outside_diameter: 1.750 INCHES NOMINAL IN, accommodated_tape_width: 0.250 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 5835-00-583-1314, 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→ ER250MA
NSN: 5835-00-583-1314
FSC: 5835
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialPLASTIC
overall_width0.495 INCHES NOMINAL IN
overall_diameter5.000 INCHES NOMINAL IN
hub_inside_diameter0.319 INCHES NOMINAL IN
hub_outside_diameter1.750 INCHES NOMINAL IN
accommodated_tape_width0.250 INCHES MAXIMUM IN
purpose_for_which_designedGENERAL
nondefinitive_spec/std_dataER-250-MA TYPE
NSN5835-00-583-1314
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REEL,MAGNETIC RECORDING TAPE TITLE COMPONENT PN ER250MA MFR REEL,MAGNETIC RECORDIN
KEY FEATURES
•
HUB INSIDE DIAMETER: 0.319 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
HUB OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
OVERALL DIAMETER: 5.000 INCHES NOMINAL IN
•
PURPOSE FOR WHICH DESIGNED: GENERAL
•
NONDEFINITIVE SPEC/STD DATA: ER-250-MA TYPE
•
ACCOMMODATED TAPE WIDTH: 0.250 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
HUB INSIDE DIAMETER0.319 INCHES NOMINAL IN
MATERIALPLASTIC
HUB OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
OVERALL DIAMETER5.000 INCHES NOMINAL IN
PURPOSE FOR WHICH DESIGNEDGENERAL
NONDEFINITIVE SPEC/STD DATAER-250-MA TYPE
OVERALL WIDTH0.495 INCHES NOMINAL IN
ACCOMMODATED TAPE WIDTH0.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
RB5Interchangeable
interchangeable cross-reference
interchangeable
253Interchangeable
interchangeable cross-reference
interchangeable
RE-41Interchangeable
interchangeable cross-reference
interchangeable
RB10-1-2RPSInterchangeable
interchangeable cross-reference
interchangeable
E281D135Interchangeable
interchangeable cross-reference
interchangeable
10FSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ER250MA?
ER250MA is a REEL,MAGNETIC RECORDING TAPE. It is classified as a MRO (MRO_GENERAL).
What parts can replace ER250MA?
There are 12 known substitutes for ER250MA: RB5, 253, RE-41 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ER250MA?
ER250MA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5835-00-583-1314. 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