PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111581-1Insulator,plate

Lockheed Martin Corp · NSN 5970-01-085-2775 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-085-2775 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-085-2775. Primary manufacturer part number: 111581-1.
Features
  • Insulator,plate — FSC 5970
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPECIAL FEATURES
  • Material Document and Classification: MIL-P-18177, TYPE GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: FLAT, RECTANGULAR
  • Material: GLASS FIBER AND PLASTIC EPOXY OVERALL
  • Third Hole Spacing: 2.125 INCHES NOMINAL IN
  • Second Hole Spacing: 0.312 INCHES NOMINAL IN
  • First Hole Diameter: 0.141 INCHES NOMINAL IN
Applications
  • Applications requiring Glass Fiber and Plastic Epoxy Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-085-2775, 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 Lockheed Martin Corp. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-085-2775
Primary Part Number111581-1
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPECIAL FEATURES
Material Document and ClassificationMIL-P-18177, TYPE GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT, RECTANGULAR
MaterialGLASS FIBER AND PLASTIC EPOXY OVERALL
Third Hole Spacing2.125 INCHES NOMINAL IN
Second Hole Spacing0.312 INCHES NOMINAL IN
First Hole Diameter0.141 INCHES NOMINAL IN
Second Hole Diameter0.141 INCHES NOMINAL IN
First Hole Spacing0.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-00-891-6741733623 INTERCHANGEABLE
Relay,electromagnetic
Hyster-Yale Group, Inc.
Cross-Reference Index
Part NumberManufacturer
111581-1 Lockheed Martin Corp (USA)
Related Parts
5945-00-891-6741INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
733623

Frequently Asked Questions

What is NSN 5970-01-085-2775?

NSN 5970-01-085-2775 is a Insulator,plate, manufactured by Lockheed Martin Corp, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-085-2775?

NSN 5970-01-085-2775 has 1 cross-referenced part number: 111581-1 (Lockheed Martin Corp).

What NSN replaces 5970-01-085-2775?

There is 1 known substitute for 5970-01-085-2775: 5945-00-891-6741. Verify interchangeability with system specifications before substitution.

What are the specifications of 111581-1?

Key specifications for 111581-1: Special Features: MICRO IN. FINISH 125; Overall Width: 0.500 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPECIAL FEATURES; Material Document and Classification: MIL-P-18177, TYPE GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 13 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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