PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66216Insulation Sleeving,electrical

Textron Lycoming Inc Williamsport Plant · NSN 5970-00-681-0312 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-681-0312 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-681-0312. Primary manufacturer part number: 66216.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Wall Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Material: PLASTIC
  • Flexibility: FLEXIBLE
  • Inside Diameter: 0.390 INCHES NOMINAL IN
  • Style Designator: NONSHRINKABLE
  • Color: BLACK
  • 1 verified cross-reference
Applications
  • Applications requiring Plastic construction
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-681-0312, 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 Textron Lycoming Inc Williamsport Plant. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-681-0312
Primary Part Number66216
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Wall Thickness0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
MaterialPLASTIC
FlexibilityFLEXIBLE
Inside Diameter0.390 INCHES NOMINAL IN
Style DesignatorNONSHRINKABLE
ColorBLACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-814-02569436M79G02 INTERCHANGEABLE
Socket,socket Wrench
General Electric Company
5120-01-016-884073906 INTERCHANGEABLE
Screwdriver,flat Tip
Stanley Tools Div of Stanley Works
5945-01-469-886412421957 INTERCHANGEABLE
Relay,electromagnetic
Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc
Cross-Reference Index
Part NumberManufacturer
66216 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
5120-00-814-0256INTERCHANGEABLE
SOCKET,SOCKET WRENCH
9436M79G02
5120-01-016-8840INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
73906
5945-01-469-8864INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
12421957

Frequently Asked Questions

What is NSN 5970-00-681-0312?

NSN 5970-00-681-0312 is a Insulation Sleeving,electrical, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-681-0312?

NSN 5970-00-681-0312 has 1 cross-referenced part number: 66216 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5970-00-681-0312?

There are 3 known substitutes for 5970-00-681-0312: 5120-00-814-0256, 5120-01-016-8840, 5945-01-469-8864. Verify interchangeability with system specifications before substitution.

What are the specifications of 66216?

Key specifications for 66216: Wall Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Material: PLASTIC; Flexibility: FLEXIBLE; Overall Length: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 7 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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