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3-81N — Technical Data Sheet

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— · 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 TAPE,INSULATION,ELECTRICAL is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: GLASS BASIC, nominal_width: 0.375 INCHES IN, nominal_length: 1296.0 INCHES IN, features_provided: CEMENT, nominal_overall_thickness: 0.0065 INCHES IN, dielectric_material_voltage_rating_per_mil_thickness_in_volts: 1250.000. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5970-00-878-4088, 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
3-81N
NSN: 5970-00-878-4088
FSC: 5970
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialGLASS BASIC
nominal_width0.375 INCHES IN
nominal_length1296.0 INCHES IN
features_providedCEMENT
nominal_overall_thickness0.0065 INCHES IN
dielectric_material_voltage_rating_per_mil_thickness_in_volts1250.000
NSN5970-00-878-4088
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPE,INSULATION,ELECTRICAL TITLE COMPONENT PN 3-81N MFR TAPE,INSULATION,ELECTR
KEY FEATURES
•
FEATURES PROVIDED: CEMENT
•
NOMINAL WIDTH: 0.375 INCHES IN
•
DIELECTRIC MATERIAL VOLTAGE RATING PER MIL THICKNESS IN VOLTS: 1250.000
•
NOMINAL LENGTH: 1296.0 INCHES IN
•
NOMINAL OVERALL THICKNESS: 0.0065 INCHES IN
•
COLOR: WHITE OVERALL
•
MATERIAL: GLASS BASIC
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
FEATURES PROVIDEDCEMENT
NOMINAL WIDTH0.375 INCHES IN
DIELECTRIC MATERIAL VOLTAGE RATING PER MIL THICKNESS IN VOLTS1250.000
NOMINAL LENGTH1296.0 INCHES IN
NOMINAL OVERALL THICKNESS0.0065 INCHES IN
COLORWHITE OVERALL
MATERIALGLASS BASIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
P2-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
510-0158-12561-152InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5T558InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
218196InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NF58T96InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4CH1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-81N?
3-81N is a TAPE,INSULATION,ELECTRICAL.
What parts can replace 3-81N?
There are 17 known substitutes for 3-81N: P2-1, 510-0158-12561-152, 5T558 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-81N?
3-81N is cataloged in the Federal Logistics Information System under NSN 5970-00-878-4088. 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: September 2026