PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

850653Insulator,washer

General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems · NSN 5970-00-961-8114 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-961-8114 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-961-8114. Primary manufacturer part number: 850653.
Features
  • Insulator,washer — FSC 5970
  • Inside Diameter: 0.156 INCHES NOMINAL IN
  • Outside Diameter: 0.437 INCHES NOMINAL IN
  • Style Designator: ROUND, FLAT
  • Material: MICA OVERALL
  • 2 verified cross-references
  • Primary manufacturer: General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Mica Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-00-961-8114, 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 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-961-8114
Primary Part Number850653
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
StatusACTIVE
Inside Diameter0.156 INCHES NOMINAL IN
Outside Diameter0.437 INCHES NOMINAL IN
Style DesignatorROUND, FLAT
MaterialMICA OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-383-187826274 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5340-00-493-9387850653 INTERCHANGEABLE
Cup,compression
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
Cross-Reference Index
Part NumberManufacturer
850653 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
310 Spruce Pine Mica Company (USA)
Related Parts
5330-00-383-1878INTERCHANGEABLE
GASKET
26274
5340-00-493-9387INTERCHANGEABLE
CUP,COMPRESSION
850653

Frequently Asked Questions

What is NSN 5970-00-961-8114?

NSN 5970-00-961-8114 is a Insulator,washer, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-961-8114?

NSN 5970-00-961-8114 has 2 cross-referenced part numbers: 850653 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems), 310 (Spruce Pine Mica Company).

What NSN replaces 5970-00-961-8114?

There are 2 known substitutes for 5970-00-961-8114: 5330-00-383-1878, 5340-00-493-9387. Verify interchangeability with system specifications before substitution.

What are the specifications of 850653?

Key specifications for 850653: Inside Diameter: 0.156 INCHES NOMINAL IN; Outside Diameter: 0.437 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material: MICA OVERALL. 5 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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