PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3129Insulation Sheet,electrical

The Boeing Company Div Defense · NSN 5970-00-618-1839 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-618-1839 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-618-1839. Primary manufacturer part number: 3129.
Features
  • Insulation Sheet,electrical — FSC 5970
  • Nondefinitive Spec/std Data: II TYPE AND B GRADE
  • Departure From Cited Document: AS MODIFIED BY WIDTH
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Length: 3.000 FEET NOMINAL FT
  • Width: 36.000 INCHES NOMINAL IN
  • Unit Package Quantity: 1
  • Identification Code Color: NATURAL
Applications
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The Insulation Sheet,electrical, cataloged under National Stock Number 5970-00-618-1839, 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 The Boeing Company Div Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-618-1839
Primary Part Number3129
Item NameInsulation Sheet,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Nondefinitive Spec/std DataII TYPE AND B GRADE
Departure From Cited DocumentAS MODIFIED BY WIDTH
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Length3.000 FEET NOMINAL FT
Width36.000 INCHES NOMINAL IN
Unit Package Quantity1
Identification Code ColorNATURAL
Thickness0.020 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-222-0815 INTERCHANGEABLE
Connector,plug,electrical
5930-00-267-6842312-9 INTERCHANGEABLE
Switch,rotary
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5975-00-355-40563129 INTERCHANGEABLE
Elbow,electrical Conduit
Champion Aerospace Llc
5970-00-419-9826 INTERCHANGEABLE
Insulation Sheet,electrical
5330-00-472-6189100371 INTERCHANGEABLE
Gasket
Clayton Manufacturing Company
5950-00-647-9382SC-C-14031 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-683-2632312-9 INTERCHANGEABLE
Switch,pressure
Barksdale, Inc
5950-00-789-9092959151-801 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5310-00-834-53358846121 INTERCHANGEABLE
Nut,sleeve
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
4920-00-898-0009T101417 INTERCHANGEABLE
Bending Gage,trim T
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
3129 The Boeing Company Div Defense (USA)
ASTM D 3308 TY II GR 2 American Society for Testing and Materials Dba Astm International (USA)
ASTM D 3308 American Society for Testing and Materials Dba Astm International (USA)
D 3308 TY II, GR 2 American Society for Testing and Materials Dba Astm International (USA)
MIL-P-22241 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-222-0815INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5930-00-267-6842INTERCHANGEABLE
SWITCH,ROTARY
312-9
5975-00-355-4056INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
3129
5970-00-419-9826INTERCHANGEABLE
INSULATION SHEET,ELECTRICAL
5330-00-472-6189INTERCHANGEABLE
GASKET
100371
5950-00-647-9382INTERCHANGEABLE
REACTOR
SC-C-14031
5930-00-683-2632INTERCHANGEABLE
SWITCH,PRESSURE
312-9
5950-00-789-9092INTERCHANGEABLE
TRANSFORMER,POWER
959151-801
5310-00-834-5335INTERCHANGEABLE
NUT,SLEEVE
8846121
4920-00-898-0009INTERCHANGEABLE
BENDING GAGE,TRIM T
T101417
5935-00-938-7558INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
188957-2
4820-00-991-9927INTERCHANGEABLE
VALVE,SAFETY RELIEF
1-061-0753

Frequently Asked Questions

What is NSN 5970-00-618-1839?

NSN 5970-00-618-1839 is a Insulation Sheet,electrical, manufactured by The Boeing Company Div Defense, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-618-1839?

NSN 5970-00-618-1839 has 5 cross-referenced part numbers: 3129 (The Boeing Company Div Defense), ASTM D 3308 TY II GR 2 (American Society for Testing and Materials Dba Astm International), ASTM D 3308 (American Society for Testing and Materials Dba Astm International), D 3308 TY II, GR 2 (American Society for Testing and Materials Dba Astm International), MIL-P-22241 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-00-618-1839?

There are 12 known substitutes for 5970-00-618-1839: 5935-00-222-0815, 5930-00-267-6842, 5975-00-355-4056 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3129?

Key specifications for 3129: Nondefinitive Spec/std Data: II TYPE AND B GRADE; Departure From Cited Document: AS MODIFIED BY WIDTH; Material: PLASTIC POLYTETRAFLUOROETHYLENE; Length: 3.000 FEET NOMINAL FT. 8 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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