PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ETN0127386Washer,flat

Navistar Intl Corp Truck Br Ohio Plant · NSN 5310-00-281-8320 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-281-8320 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-281-8320. Primary manufacturer part number: ETN0127386.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 4.562 INCHES NOMINAL IN
  • Thickness: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Hardness Rating: 60.0 ROCKWELL B MINIMUM
  • Center Hole Shape Style: ROUND
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 5310-00-281-8320, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-281-8320
Primary Part NumberETN0127386
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusCANCELLED
Overall Diameter4.562 INCHES NOMINAL IN
Thickness0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Hardness Rating60.0 ROCKWELL B MINIMUM
Center Hole Shape StyleROUND
MaterialCOPPER OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5930-00-242-008627827 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
5915-00-414-7885394656-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5950-00-930-0070 INTERCHANGEABLE
Coil,radio Frequency
5905-01-090-361027-827 INTERCHANGEABLE
Resistor
Raytheon Company Dba Raytheon Co
7690-01-424-801527827-4 INTERCHANGEABLE
Label
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
7690-01-424-801627827-3 INTERCHANGEABLE
Label
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5340-01-571-6706351266 INTERCHANGEABLE
Wheel,swivel
Lidan Marine Ab
Cross-Reference Index
Part NumberManufacturer
3946561 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
57304R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
2256941 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
ENT 0027827 Navistar Intl Corp Truck Br Ohio Plant (USA)
2256941 General Motors Corp (USA)
12388163 General Motors Llc Dba General Motors Llc (USA)
ETN0127386 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
27827 PRIMARY Eaton Corporation (USA)
57304R1 Navistar International Corporation Dba Navistar (USA)
716770 White Motor Corp (USA)
46620F Diamond Reo Truck Co (USA)
2719-127386 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
Related Parts
5930-00-242-0086INTERCHANGEABLE
SWITCH,LIQUID LEVEL
27827
5915-00-414-7885INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
394656-1
5950-00-930-0070INTERCHANGEABLE
COIL,RADIO FREQUENCY
5905-01-090-3610INTERCHANGEABLE
RESISTOR
27-827
7690-01-424-8015INTERCHANGEABLE
LABEL
27827-4
7690-01-424-8016INTERCHANGEABLE
LABEL
27827-3
5340-01-571-6706INTERCHANGEABLE
WHEEL,SWIVEL
351266

Frequently Asked Questions

What is NSN 5310-00-281-8320?

NSN 5310-00-281-8320 is a Washer,flat, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-281-8320?

NSN 5310-00-281-8320 has 12 cross-referenced part numbers: 3946561 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 57304R1 (Navistar Intl Corp Truck Br Ohio Plant), 2256941 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), ENT 0027827 (Navistar Intl Corp Truck Br Ohio Plant), 2256941 (General Motors Corp) and 7 more.

What NSN replaces 5310-00-281-8320?

There are 7 known substitutes for 5310-00-281-8320: 5930-00-242-0086, 5915-00-414-7885, 5950-00-930-0070 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ETN0127386?

Key specifications for ETN0127386: Overall Diameter: 4.562 INCHES NOMINAL IN; Thickness: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-281-8320 still in active supply?

NSN 5310-00-281-8320 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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