PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78265Washer,flat

Dresser, Llc · NSN 5310-00-262-8353 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-8353 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-8353. Primary manufacturer part number: 78265.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: COPPER OVERALL
  • Hole Diameter: 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-262-8353, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-262-8353
Primary Part Number78265
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
Thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialCOPPER OVERALL
Hole Diameter0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3030-00-730-9123 INTERCHANGEABLE
Belt,v
6520-01-380-7553261668 INTERCHANGEABLE
Tip Assembly,sonic Prophylaxis U
Dentalez, Inc. Dba Star Dental
5320-01-489-559078-265 INTERCHANGEABLE
Rivet,solid
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6625-01-656-698978265 INTERCHANGEABLE
Voltmeter
Hickok Waekon Llc
Cross-Reference Index
Part NumberManufacturer
78265 Dresser, Llc (USA)
5334705 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
FF-W-92 TYPE A,CLASS F Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FF-W-92B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
F396 Philadelphia Gasket Mfg Co Inc (USA)
F396 Hale Products, Inc. (USA)
Related Parts
3030-00-730-9123INTERCHANGEABLE
BELT,V
6520-01-380-7553INTERCHANGEABLE
TIP ASSEMBLY,SONIC PROPHYLAXIS U
261668
5320-01-489-5590INTERCHANGEABLE
RIVET,SOLID
78-265
6625-01-656-6989INTERCHANGEABLE
VOLTMETER
78265

Frequently Asked Questions

What is NSN 5310-00-262-8353?

NSN 5310-00-262-8353 is a Washer,flat, manufactured by Dresser, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-262-8353?

NSN 5310-00-262-8353 has 6 cross-referenced part numbers: 78265 (Dresser, Llc), 5334705 (U S Army Tank Automotive Command Amsta-Im-Mm), FF-W-92 TYPE A,CLASS F (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FF-W-92B (Federal Specifications Promulgated by General Services Administration Washington DC), F396 (Philadelphia Gasket Mfg Co Inc) and 1 more.

What NSN replaces 5310-00-262-8353?

There are 4 known substitutes for 5310-00-262-8353: 3030-00-730-9123, 6520-01-380-7553, 5320-01-489-5590 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78265?

Key specifications for 78265: Thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Material: COPPER OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-262-8353 still in active supply?

NSN 5310-00-262-8353 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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