PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1085 31Insulator,washer

Raytheon Company · NSN 5970-00-810-2610 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-810-2610 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-810-2610. Primary manufacturer part number: 1085 31.
Features
  • Insulator,washer — FSC 5970
  • Inside Diameter: 0.170 INCHES NOMINAL IN
  • Style Designator: ROUND, FLAT
  • Material: MICA OVERALL
  • Outside Diameter: 0.438 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Raytheon Company
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 5970-00-810-2610, 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 Raytheon Company. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-810-2610
Primary Part Number1085 31
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerRaytheon Company
StatusCANCELLED
Inside Diameter0.170 INCHES NOMINAL IN
Style DesignatorROUND, FLAT
MaterialMICA OVERALL
Outside Diameter0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5940-00-202-023717-2 INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5930-00-792-255110853-1 INTERCHANGEABLE
Switch Section,rotary
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5325-00-886-3733424955-01 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Bae Systems Controls Inc
5340-01-483-4978108538 INTERCHANGEABLE
Cap,protective,nut and Bolt Hea
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
108531-3 Raytheon Company (USA)
1085 31 PRIMARY Raytheon Company (USA)
99077-19 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
99077-19 Rca Corp Distributor and Special Products Div
Related Parts
5940-00-202-0237INTERCHANGEABLE
TERMINAL BOARD
17-2
5930-00-792-2551INTERCHANGEABLE
SWITCH SECTION,ROTARY
10853-1
5325-00-886-3733INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
424955-01
5340-01-483-4978INTERCHANGEABLE
CAP,PROTECTIVE,NUT AND BOLT HEA
108538

Frequently Asked Questions

What is NSN 5970-00-810-2610?

NSN 5970-00-810-2610 is a Insulator,washer, manufactured by Raytheon Company, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-810-2610?

NSN 5970-00-810-2610 has 4 cross-referenced part numbers: 108531-3 (Raytheon Company), 1085 31 (Raytheon Company), 99077-19 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 99077-19 (Rca Corp Distributor and Special Products Div).

What NSN replaces 5970-00-810-2610?

There are 4 known substitutes for 5970-00-810-2610: 5940-00-202-0237, 5930-00-792-2551, 5325-00-886-3733 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1085 31?

Key specifications for 1085 31: Inside Diameter: 0.170 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material: MICA OVERALL; Overall Height: 0.030 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-810-2610 still in active supply?

NSN 5970-00-810-2610 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.
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