PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G3M27C58-1Insulator,washer

Gasket Manufacturing Co. · NSN 5970-00-001-9383 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-001-9383 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-001-9383. Primary manufacturer part number: G3M27C58-1.
Features
  • Insulator,washer — FSC 5970
  • Outside Diameter: 0.199 INCHES NOMINAL IN
  • Material: PLASTIC PHENOLIC AND PAPER OVERALL
  • Style Designator: ROUND, FLAT
  • Material Document and Classification: MIL-P-3115, TYPE PBE-P-CANCELLED/REPLACED BY L-P-00513 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Inside Diameter: 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Gasket Manufacturing Co.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Phenolic and Paper Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-00-001-9383, 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 Gasket Manufacturing Co.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-001-9383
Primary Part NumberG3M27C58-1
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerGasket Manufacturing Co.
StatusCANCELLED
Outside Diameter0.199 INCHES NOMINAL IN
MaterialPLASTIC PHENOLIC AND PAPER OVERALL
Style DesignatorROUND, FLAT
Material Document and ClassificationMIL-P-3115, TYPE PBE-P-CANCELLED/REPLACED BY L-P-00513 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Inside Diameter0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5985-00-477-0681 INTERCHANGEABLE
Antenna
5970-01-083-3209H-4001 INTERCHANGEABLE
Insulator,washer
Union Carbide Corp Electronic Specialty Products Group
Cross-Reference Index
Part NumberManufacturer
G3M27C58-1 PRIMARY Gasket Manufacturing Co. (USA)
H400-1 PRIMARY Western Gasket and Packing Co (USA)
935400-1 Raytheon Company Dba Raytheon (USA)
Related Parts
5985-00-477-0681INTERCHANGEABLE
ANTENNA
5970-01-083-3209INTERCHANGEABLE
INSULATOR,WASHER
H-4001

Frequently Asked Questions

What is NSN 5970-00-001-9383?

NSN 5970-00-001-9383 is a Insulator,washer, manufactured by Gasket Manufacturing Co., classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-001-9383?

NSN 5970-00-001-9383 has 3 cross-referenced part numbers: G3M27C58-1 (Gasket Manufacturing Co.), H400-1 (Western Gasket and Packing Co), 935400-1 (Raytheon Company Dba Raytheon).

What NSN replaces 5970-00-001-9383?

There are 2 known substitutes for 5970-00-001-9383: 5985-00-477-0681, 5970-01-083-3209. Verify interchangeability with system specifications before substitution.

What are the specifications of G3M27C58-1?

Key specifications for G3M27C58-1: Outside Diameter: 0.199 INCHES NOMINAL IN; Material: PLASTIC PHENOLIC AND PAPER OVERALL; Style Designator: ROUND, FLAT; Material Document and Classification: MIL-P-3115, TYPE PBE-P-CANCELLED/REPLACED BY L-P-00513 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-001-9383 still in active supply?

NSN 5970-00-001-9383 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com