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Technical Data Sheet
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BT191-1/2 IN. — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

TAPE,PRESSURE SENSITIVE ADHESIVE. Key specifications include color: TAN OVERALL, material: PAPER BASIC, nominal_width: 0.500 INCHES IN, nominal_length: 60.0 YARDS, adhesive_location: ONE SIDE, core_nominal_diameter: 3.000 INCHES 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 7510-00-680-2450, 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
BT191-1/2 IN.
NSN: 7510-00-680-2450
FSC: 7510
CAGE: 0E7C4 — BRON TAPES OF COLORADO INC. (USA)
SPECIFICATIONS
colorTAN OVERALL
materialPAPER BASIC
nominal_width0.500 INCHES IN
nominal_length60.0 YARDS
adhesive_locationONE SIDE
core_nominal_diameter3.000 INCHES IN
material_transparencyOPAQUE
nominal_overall_thickness0.0060 INCHES IN
nondefinitive_spec/std_data1 TYPE
NSN7510-00-680-2450
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPE,PRESSURE SENSITIVE ADHESIVE TITLE COMPONENT PN BT191-1/2 IN. MFR TAPE,PRESSURE SENSITIV
KEY FEATURES
•
CORE NOMINAL DIAMETER: 3.000 INCHES IN
•
ADHESIVE LOCATION: ONE SIDE
•
NOMINAL OVERALL THICKNESS: 0.0060 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL: PAPER BASIC
•
MATERIAL TRANSPARENCY: OPAQUE
•
NOMINAL LENGTH: 60.0 YARDS
•
COLOR: TAN OVERALL
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)
CORE NOMINAL DIAMETER3.000 INCHES IN
ADHESIVE LOCATIONONE SIDE
NOMINAL OVERALL THICKNESS0.0060 INCHES IN
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALPAPER BASIC
MATERIAL TRANSPARENCYOPAQUE
NOMINAL LENGTH60.0 YARDS
COLORTAN OVERALL
NOMINAL WIDTH0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
MIL-T-21595Interchangeable
interchangeable cross-reference
interchangeable
BT191Interchangeable
interchangeable cross-reference
interchangeable
BT191-2 IN.Interchangeable
interchangeable cross-reference
interchangeable
BT191-3/4 IN.Interchangeable
interchangeable cross-reference
interchangeable
SAE-AMS-T-21595Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-21595 TY1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BT191-1/2 IN.?
BT191-1/2 IN. is a TAPE,PRESSURE SENSITIVE ADHESIVE.
What parts can replace BT191-1/2 IN.?
There are 19 known substitutes for BT191-1/2 IN.: MIL-T-21595, BT191, BT191-2 IN. and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BT191-1/2 IN.?
BT191-1/2 IN. is cataloged in the Federal Logistics Information System (FLIS) under NSN 7510-00-680-2450. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026