PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85-43-201-38Washer,flat

Southco Inc · NSN 5310-00-866-5647 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-866-5647 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-866-5647. Primary manufacturer part number: 85-43-201-38.
Features
  • Washer,flat — FSC 5310
  • Material: RUBBER SYNTHETIC OVERALL
  • Thickness: 0.020 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.243 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-866-5647, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5310-00-866-5647
Primary Part Number85-43-201-38
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC OVERALL
Thickness0.020 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Hole Diameter0.243 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-01-137-4383 INTERCHANGEABLE
Microcircuit,linear
5950-01-320-28425859115-2 INTERCHANGEABLE
Transformer,current
Raytheon Company Dba Raytheon Co
5998-01-366-693880746-1 INTERCHANGEABLE
Circuit Card Assembly
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
A69-166 Hall Industries Inc (USA)
0098-LL-TJ2-2558 Naval Sea Systems Command (USA)
2660611-3 Zf Industrieantriebe Witten Gmbh (DEU)
80-7461 Department of Defense Project Manager-Mobile Electric Power (USA)
5189397-001 Naval Sea Systems Command (USA)
85-43-201-38 PRIMARY Southco Inc (USA)
Related Parts
5962-01-137-4383INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5950-01-320-2842INTERCHANGEABLE
TRANSFORMER,CURRENT
5859115-2
5998-01-366-6938INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
80746-1

Frequently Asked Questions

What is NSN 5310-00-866-5647?

NSN 5310-00-866-5647 is a Washer,flat, manufactured by Southco Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-866-5647?

NSN 5310-00-866-5647 has 6 cross-referenced part numbers: A69-166 (Hall Industries Inc), 0098-LL-TJ2-2558 (Naval Sea Systems Command), 2660611-3 (Zf Industrieantriebe Witten Gmbh), 80-7461 (Department of Defense Project Manager-Mobile Electric Power), 5189397-001 (Naval Sea Systems Command) and 1 more.

What NSN replaces 5310-00-866-5647?

There are 3 known substitutes for 5310-00-866-5647: 5962-01-137-4383, 5950-01-320-2842, 5998-01-366-6938. Verify interchangeability with system specifications before substitution.

What are the specifications of 85-43-201-38?

Key specifications for 85-43-201-38: Material: RUBBER SYNTHETIC OVERALL; Thickness: 0.020 INCHES NOMINAL IN; Center Hole Shape Style: ROUND; Hole Diameter: 0.243 INCHES NOMINAL IN. 7 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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