PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66876Washer,flat

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-01-180-5974 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-180-5974 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-180-5974. Primary manufacturer part number: 66876.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-180-5974, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-01-180-5974
Primary Part Number66876
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5365-00-374-430666876 INTERCHANGEABLE
Plug,machine Thread
Cummins Inc.
2590-00-710-590066876 INTERCHANGEABLE
Hose Assy,hoist
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5995-01-015-2341600341 INTERCHANGEABLE
Cable Assembly,power,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
Cross-Reference Index
Part NumberManufacturer
66876 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5365-00-374-4306INTERCHANGEABLE
PLUG,MACHINE THREAD
66876
2590-00-710-5900INTERCHANGEABLE
HOSE ASSY,HOIST
66876
5995-01-015-2341INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
600341

Frequently Asked Questions

What is NSN 5310-01-180-5974?

NSN 5310-01-180-5974 is a Washer,flat, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-180-5974?

NSN 5310-01-180-5974 has 1 cross-referenced part number: 66876 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5310-01-180-5974?

There are 3 known substitutes for 5310-01-180-5974: 5365-00-374-4306, 2590-00-710-5900, 5995-01-015-2341. Verify interchangeability with system specifications before substitution.

What are the specifications of 66876?

Key specifications for 66876: Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND. 2 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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