PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103681Washer,flat

Paccar Winch Inc Dba Paccar Winch Division · NSN 5310-01-522-0662 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-522-0662 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-522-0662. Primary manufacturer part number: 103681.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Thickness: 0.109 INCHES NOMINAL IN
  • Hardness Rating: 60.0 ROCKWELL C NOMINAL
  • Hole Diameter: 1.560 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-522-0662, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. Government technical data includes 9 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-522-0662
Primary Part Number103681
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Thickness0.109 INCHES NOMINAL IN
Hardness Rating60.0 ROCKWELL C NOMINAL
Hole Diameter1.560 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Material Document and ClassificationASTM-A1018/A1018M-2004 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-035-746510368-1 INTERCHANGEABLE
Ring,wearing
Rps-Fl, Inc. Dba Rps Inc
3110-00-555-52161202F-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
1730-00-786-7351102259 INTERCHANGEABLE
Rail Assy,winch
Air Logistics Corporation Dba Air Logistics Corp
5340-00-993-5556103681 INTERCHANGEABLE
Connector,rod End
Woodward Hrt Inc
5895-01-236-3850 INTERCHANGEABLE
Interconnecting Box
4730-01-561-812660-2HM2 INTERCHANGEABLE
Packing Nut
Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company
Cross-Reference Index
Part NumberManufacturer
103681 PRIMARY Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
4320-00-035-7465INTERCHANGEABLE
RING,WEARING
10368-1
3110-00-555-5216INTERCHANGEABLE
BEARING,BALL,ANNULAR
1202F-1B1
1730-00-786-7351INTERCHANGEABLE
RAIL ASSY,WINCH
102259
5340-00-993-5556INTERCHANGEABLE
CONNECTOR,ROD END
103681
5895-01-236-3850INTERCHANGEABLE
INTERCONNECTING BOX
4730-01-561-8126INTERCHANGEABLE
PACKING NUT
60-2HM2

Frequently Asked Questions

What is NSN 5310-01-522-0662?

NSN 5310-01-522-0662 is a Washer,flat, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-522-0662?

NSN 5310-01-522-0662 has 1 cross-referenced part number: 103681 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 5310-01-522-0662?

There are 6 known substitutes for 5310-01-522-0662: 4320-00-035-7465, 3110-00-555-5216, 1730-00-786-7351 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103681?

Key specifications for 103681: Center Hole Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Thickness: 0.109 INCHES NOMINAL IN. 11 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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