PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65BC18Washer,recessed

Oshkosh Defense Llc · NSN 5310-00-426-8255 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-426-8255 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-426-8255. Primary manufacturer part number: 65BC18.
Features
  • Washer,recessed — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: RECESSED
  • Material: STEEL OVERALL
  • Material Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Outside Diameter: 1.671 INCHES MINIMUM AND 1.701 INCHES MAXIMUM IN
  • Recess Depth: 0.126 INCHES NOMINAL IN
  • Hole Diameter: 0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-426-8255, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-426-8255
Primary Part Number65BC18
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
Style DesignatorRECESSED
MaterialSTEEL OVERALL
Material Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Outside Diameter1.671 INCHES MINIMUM AND 1.701 INCHES MAXIMUM IN
Recess Depth0.126 INCHES NOMINAL IN
Hole Diameter0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5365-01-268-363421485-1 INTERCHANGEABLE
Spacer,plate
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
2201460 Euclid Inc (USA)
16T1616 Chief of Engineers Dept of Army (USA)
BW214851 Euclid Inc (USA)
214851 Premier Central Truck Body (USA)
214851 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
65BC18 PRIMARY Oshkosh Defense Llc (USA)
65BC18 Oshkosh Corp (USA)
Related Parts
5365-01-268-3634INTERCHANGEABLE
SPACER,PLATE
21485-1

Frequently Asked Questions

What is NSN 5310-00-426-8255?

NSN 5310-00-426-8255 is a Washer,recessed, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-426-8255?

NSN 5310-00-426-8255 has 7 cross-referenced part numbers: 2201460 (Euclid Inc), 16T1616 (Chief of Engineers Dept of Army), BW214851 (Euclid Inc), 214851 (Premier Central Truck Body), 214851 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems) and 2 more.

What NSN replaces 5310-00-426-8255?

There is 1 known substitute for 5310-00-426-8255: 5365-01-268-3634. Verify interchangeability with system specifications before substitution.

What are the specifications of 65BC18?

Key specifications for 65BC18: Surface Treatment: CADMIUM OVERALL; Style Designator: RECESSED; Material: STEEL OVERALL; Overall Height: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN. 8 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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