PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

999528-2Insulator,washer

Raytheon Company Dba Raytheon · NSN 5970-00-846-7471 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-846-7471 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-846-7471. Primary manufacturer part number: 999528-2.
Features
  • Insulator,washer — FSC 5970
  • Style Designator: ROUND, FLAT
  • Material: MICA OVERALL
  • Inside Diameter: 0.130 INCHES NOMINAL IN
  • Outside Diameter: 0.620 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon
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 5970-00-846-7471, 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 Dba Raytheon. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-846-7471
Primary Part Number999528-2
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Style DesignatorROUND, FLAT
MaterialMICA OVERALL
Inside Diameter0.130 INCHES NOMINAL IN
Outside Diameter0.620 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5895-00-868-9974A167 INTERCHANGEABLE
Relay Box Assembly
Lockheed Martin Corp
3010-01-365-6905A-211 INTERCHANGEABLE
Yoke Assembly,clutc
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
8455-01-665-8104 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
999528-2 Raytheon Company Dba Raytheon (USA)
A167 Seastrom Manufacturing Co Inc (USA)
Related Parts
5895-00-868-9974INTERCHANGEABLE
RELAY BOX ASSEMBLY
A167
3010-01-365-6905INTERCHANGEABLE
YOKE ASSEMBLY,CLUTC
A-211
8455-01-665-8104INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5970-00-846-7471?

NSN 5970-00-846-7471 is a Insulator,washer, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-846-7471?

NSN 5970-00-846-7471 has 2 cross-referenced part numbers: 999528-2 (Raytheon Company Dba Raytheon), A167 (Seastrom Manufacturing Co Inc).

What NSN replaces 5970-00-846-7471?

There are 3 known substitutes for 5970-00-846-7471: 5895-00-868-9974, 3010-01-365-6905, 8455-01-665-8104. Verify interchangeability with system specifications before substitution.

What are the specifications of 999528-2?

Key specifications for 999528-2: Overall Height: 0.005 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material: MICA OVERALL; Inside Diameter: 0.130 INCHES NOMINAL IN. 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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