PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-3065EWasher,flat

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-599-5706 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-599-5706 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-599-5706. Primary manufacturer part number: MIL-R-3065E.
Features
  • Washer,flat — FSC 5310
  • Material: RUBBER SYNTHETIC OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
  • Overall Diameter: 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-599-5706, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-599-5706
Primary Part NumberMIL-R-3065E
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialRUBBER SYNTHETIC OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
Overall Diameter0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
Thickness0.062 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-165-1848 INTERCHANGEABLE
Gasket
5310-00-254-1660 INTERCHANGEABLE
Washer,flat
5310-00-291-2753734913-27 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-297-7355MIL-R-3065E INTERCHANGEABLE
Gasket
American Society for Testing and Materials Dba Astm International
5331-00-580-12172H3933 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
5330-00-580-2011 INTERCHANGEABLE
Gasket
9320-00-641-3391 INTERCHANGEABLE
Rubber Sheet,solid
5330-00-846-4339334C251H01 INTERCHANGEABLE
Gasket
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5331-00-912-26628624710-3 INTERCHANGEABLE
O-Ring
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5330-00-919-726411588725 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
MIL-R-3065E Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5330-00-165-1848INTERCHANGEABLE
GASKET
5310-00-254-1660INTERCHANGEABLE
WASHER,FLAT
5310-00-291-2753INTERCHANGEABLE
WASHER,FLAT
734913-27
5330-00-297-7355INTERCHANGEABLE
GASKET
MIL-R-3065E
5331-00-580-1217INTERCHANGEABLE
O-RING
2H3933
5330-00-580-2011INTERCHANGEABLE
GASKET
9320-00-641-3391INTERCHANGEABLE
RUBBER SHEET,SOLID
5330-00-846-4339INTERCHANGEABLE
GASKET
334C251H01
5331-00-912-2662INTERCHANGEABLE
O-RING
8624710-3
5330-00-919-7264INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
11588725
5331-00-964-7291INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5310-00-599-5706?

NSN 5310-00-599-5706 is a Washer,flat, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-599-5706?

NSN 5310-00-599-5706 has 1 cross-referenced part number: MIL-R-3065E (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-599-5706?

There are 11 known substitutes for 5310-00-599-5706: 5330-00-165-1848, 5310-00-254-1660, 5310-00-291-2753 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-3065E?

Key specifications for MIL-R-3065E: Material: RUBBER SYNTHETIC OVERALL; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Hole Diameter: 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com