PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CFW1Washer,flat

Olympus America Inc · NSN 5310-00-984-1043 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-984-1043 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-984-1043. Primary manufacturer part number: CFW1.
Features
  • Washer,flat — FSC 5310
  • Material: COPPER ALLOY OVERALL
  • Peripheral Shape Style: ROUND
  • Surface Treatment: CADMIUM OVERALL
  • Thickness: 0.020 INCHES NOMINAL IN
  • Overall Diameter: 0.187 INCHES NOMINAL IN
  • Hole Diameter: 0.076 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-984-1043, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Olympus America Inc. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-984-1043
Primary Part NumberCFW1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOlympus America Inc
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Peripheral Shape StyleROUND
Surface TreatmentCADMIUM OVERALL
Thickness0.020 INCHES NOMINAL IN
Overall Diameter0.187 INCHES NOMINAL IN
Hole Diameter0.076 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2910-00-364-4974 INTERCHANGEABLE
Valve
4320-01-235-4559 INTERCHANGEABLE
Motor,hydraulic
Cross-Reference Index
Part NumberManufacturer
904902-3 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
CFW1 PRIMARY Olympus America Inc (USA)
CFW1 Gyrus Acmi L.p. (USA)
850693 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
Related Parts
2910-00-364-4974INTERCHANGEABLE
VALVE
4320-01-235-4559INTERCHANGEABLE
MOTOR,HYDRAULIC

Frequently Asked Questions

What is NSN 5310-00-984-1043?

NSN 5310-00-984-1043 is a Washer,flat, manufactured by Olympus America Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-984-1043?

NSN 5310-00-984-1043 has 4 cross-referenced part numbers: 904902-3 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems), CFW1 (Olympus America Inc), CFW1 (Gyrus Acmi L.p.), 850693 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).

What NSN replaces 5310-00-984-1043?

There are 2 known substitutes for 5310-00-984-1043: 2910-00-364-4974, 4320-01-235-4559. Verify interchangeability with system specifications before substitution.

What are the specifications of CFW1?

Key specifications for CFW1: Material: COPPER ALLOY OVERALL; Peripheral Shape Style: ROUND; Surface Treatment: CADMIUM OVERALL; Thickness: 0.020 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-984-1043 still in active supply?

NSN 5310-00-984-1043 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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