PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-I-3158Insulation Cord,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-01-013-9172 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-013-9172 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-013-9172. Primary manufacturer part number: MIL-I-3158.
Features
  • Insulation Cord,electrical — FSC 5970
  • General Characteristics Item Description: GLASS FIBROUS,MIL-I-3158,TYPE SR-5,SYNTHETIC RESIN COATING,0.030 IN. MIN,0.040 IN. MAX DIA,WHITE,1/2 POUND SPOOL LBS
  • Nondefinitive Spec/std Data: SR-5 TYPE
  • 3 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulation Cord,electrical, cataloged under National Stock Number 5970-01-013-9172, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-013-9172
Primary Part NumberMIL-I-3158
Item NameInsulation Cord,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
General Characteristics Item DescriptionGLASS FIBROUS,MIL-I-3158,TYPE SR-5,SYNTHETIC RESIN COATING,0.030 IN. MIN,0.040 IN. MAX DIA,WHITE,1/2 POUND SPOOL LBS
Nondefinitive Spec/std DataSR-5 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4020-00-240-2167 INTERCHANGEABLE
Cord,fibrous
4020-00-240-2168 INTERCHANGEABLE
Cord,fibrous
4020-00-240-2169 INTERCHANGEABLE
Cord,fibrous
4020-00-240-2170 INTERCHANGEABLE
Cord,fibrous
4020-00-240-2171 INTERCHANGEABLE
Cord,fibrous
4020-00-240-2172 INTERCHANGEABLE
Cord,fibrous
5970-01-013-9173 INTERCHANGEABLE
Insulation Cord,electrical
5970-01-327-3087 INTERCHANGEABLE
Insulation Cord,electrical
4020-01-390-3026 INTERCHANGEABLE
Cord,fibrous
Cross-Reference Index
Part NumberManufacturer
MIL-I-3158 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R00034 Dla Aviation Engineering Div Department of Defense (USA)
R00034A Dla Aviation Engineering Div Department of Defense (USA)
Related Parts
4020-00-240-2167INTERCHANGEABLE
CORD,FIBROUS
4020-00-240-2168INTERCHANGEABLE
CORD,FIBROUS
4020-00-240-2169INTERCHANGEABLE
CORD,FIBROUS
4020-00-240-2170INTERCHANGEABLE
CORD,FIBROUS
4020-00-240-2171INTERCHANGEABLE
CORD,FIBROUS
4020-00-240-2172INTERCHANGEABLE
CORD,FIBROUS
5970-01-013-9173INTERCHANGEABLE
INSULATION CORD,ELECTRICAL
5970-01-327-3087INTERCHANGEABLE
INSULATION CORD,ELECTRICAL
4020-01-390-3026INTERCHANGEABLE
CORD,FIBROUS

Frequently Asked Questions

What is NSN 5970-01-013-9172?

NSN 5970-01-013-9172 is a Insulation Cord,electrical, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-013-9172?

NSN 5970-01-013-9172 has 3 cross-referenced part numbers: MIL-I-3158 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), R00034 (Dla Aviation Engineering Div Department of Defense), R00034A (Dla Aviation Engineering Div Department of Defense).

What NSN replaces 5970-01-013-9172?

There are 9 known substitutes for 5970-01-013-9172: 4020-00-240-2167, 4020-00-240-2168, 4020-00-240-2169 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-I-3158?

Key specifications for MIL-I-3158: General Characteristics Item Description: GLASS FIBROUS,MIL-I-3158,TYPE SR-5,SYNTHETIC RESIN COATING,0.030 IN. MIN,0.040 IN. MAX DIA,WHITE,1/2 POUND SPOOL LBS; Nondefinitive Spec/std Data: SR-5 TYPE. 2 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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