PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2 1/8 WHITEInsulation Sleeving,electrical

Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc · NSN 5970-01-471-3256 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-471-3256 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-471-3256. Primary manufacturer part number: B2 1/8 WHITE.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Expanded Inside Diameter: 0.125 INCHES NOMINAL IN
  • Reliability Indicator: ESTABLISHED
  • Recovered Wall Thickness: 0.020 INCHES NOMINAL IN
  • Material: PLASTIC POLYOLEFIN
  • Recovered Inside Diameter: 0.062 INCHES NOMINAL IN
  • Flexibility: SEMIFLEXIBLE
  • Style Designator: SHRINKABLE
Applications
  • Applications requiring Plastic Polyolefin construction
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-471-3256, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-471-3256
Primary Part NumberB2 1/8 WHITE
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerSumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc
StatusACTIVE
Expanded Inside Diameter0.125 INCHES NOMINAL IN
Reliability IndicatorESTABLISHED
Recovered Wall Thickness0.020 INCHES NOMINAL IN
MaterialPLASTIC POLYOLEFIN
Recovered Inside Diameter0.062 INCHES NOMINAL IN
FlexibilitySEMIFLEXIBLE
Style DesignatorSHRINKABLE
ColorWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5970-00-451-0973 INTERCHANGEABLE
Insulation Sleeving,electrical
5970-00-812-2969M23053/5-104-0 INTERCHANGEABLE
Insulation Sleeving,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
STS221-1/8 WHITE Manhattan/cdt Cole-Flex (USA)
FIT221 1/8 Jfw Mfg Inc (USA)
ST-301-1/8 WHITE Dearborn/cdt, Inc. (USA)
B2 1/8 WHITE PRIMARY Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc (USA)
Related Parts
5970-00-451-0973INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5970-00-812-2969INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
M23053/5-104-0

Frequently Asked Questions

What is NSN 5970-01-471-3256?

NSN 5970-01-471-3256 is a Insulation Sleeving,electrical, manufactured by Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-471-3256?

NSN 5970-01-471-3256 has 4 cross-referenced part numbers: STS221-1/8 WHITE (Manhattan/cdt Cole-Flex), FIT221 1/8 (Jfw Mfg Inc), ST-301-1/8 WHITE (Dearborn/cdt, Inc.), B2 1/8 WHITE (Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc).

What NSN replaces 5970-01-471-3256?

There are 2 known substitutes for 5970-01-471-3256: 5970-00-451-0973, 5970-00-812-2969. Verify interchangeability with system specifications before substitution.

What are the specifications of B2 1/8 WHITE?

Key specifications for B2 1/8 WHITE: Expanded Inside Diameter: 0.125 INCHES NOMINAL IN; Reliability Indicator: ESTABLISHED; Recovered Wall Thickness: 0.020 INCHES NOMINAL IN; Material: PLASTIC POLYOLEFIN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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