PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-54865Washer,recessed

Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector · NSN 5310-00-941-3530 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-941-3530 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-941-3530. Primary manufacturer part number: 6-54865.
Features
  • Washer,recessed — FSC 5310
  • Outside Diameter: 0.562 INCHES NOMINAL IN
  • Hole Diameter: 0.319 INCHES NOMINAL IN
  • Material Document and Classification: MIL-S-7720 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Material Thickness: 0.060 INCHES NOMINAL IN
  • Recess Diameter: 0.490 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-941-3530, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-00-941-3530
Primary Part Number6-54865
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Technical Services, Inc. Dba Defense Systems Sector
StatusACTIVE
Outside Diameter0.562 INCHES NOMINAL IN
Hole Diameter0.319 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-7720 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
Material Thickness0.060 INCHES NOMINAL IN
Recess Diameter0.490 INCHES NOMINAL IN
Recess Angle110.0 DEGREES NOMINAL
Style DesignatorRECESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1285-00-344-7590654865 INTERCHANGEABLE
Bushing
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
6-54865 Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA)
6-54865 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
Related Parts
1285-00-344-7590INTERCHANGEABLE
BUSHING
654865

Frequently Asked Questions

What is NSN 5310-00-941-3530?

NSN 5310-00-941-3530 is a Washer,recessed, manufactured by Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-941-3530?

NSN 5310-00-941-3530 has 2 cross-referenced part numbers: 6-54865 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 6-54865 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).

What NSN replaces 5310-00-941-3530?

There is 1 known substitute for 5310-00-941-3530: 1285-00-344-7590. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-54865?

Key specifications for 6-54865: Outside Diameter: 0.562 INCHES NOMINAL IN; Hole Diameter: 0.319 INCHES NOMINAL IN; Material Document and Classification: MIL-S-7720 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 9 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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