PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140555R12Plate,retaining,shaft

Komatsu American Intl Co · NSN 3040-00-231-6392 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-231-6392 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-231-6392. Primary manufacturer part number: 140555R12.
Features
  • Plate,retaining,shaft — FSC 3040
  • Aperture Diameter: 1.532 INCHES NOMINAL IN
  • Material: STEEL
  • Outside Diameter: 6.750 INCHES NOMINAL IN
  • Thickness: 0.636 INCHES NOMINAL IN
  • Mounting Hole Quantity: 6
  • Mounting Hole Diameter: 0.408 INCHES NOMINAL IN
  • Shape: ROUND
Applications
  • Applications requiring Steel construction
General Description

The Plate,retaining,shaft, cataloged under National Stock Number 3040-00-231-6392, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Komatsu American Intl Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-231-6392
Primary Part Number140555R12
Item NamePlate,retaining,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerKomatsu American Intl Co
StatusCANCELLED
Aperture Diameter1.532 INCHES NOMINAL IN
MaterialSTEEL
Outside Diameter6.750 INCHES NOMINAL IN
Thickness0.636 INCHES NOMINAL IN
Mounting Hole Quantity6
Mounting Hole Diameter0.408 INCHES NOMINAL IN
ShapeROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-012-0393120393 INTERCHANGEABLE
Washer,flat
Dressta North America Ltd
8455-00-200-4596 INTERCHANGEABLE
Insignia,shoulder Sleeve
5970-00-280-98637610647 INTERCHANGEABLE
Insulator,washer
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6610-00-629-0083A1555 INTERCHANGEABLE
Tear Band,cover
Kelly Manufacturing Company
5945-01-264-27711205380 INTERCHANGEABLE
Plate,mounting
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2940-01-375-5678A-1555 INTERCHANGEABLE
Filter Element,fluid
Flow Intl Corp Div of Flow Industries Inc
8455-01-528-7698 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-647-8968 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
140555R12 Komatsu American Intl Co (USA)
140555R12 Navistar International Corporation Dba Navistar (USA)
A1555 Dana Commercial Vehicle Products, Llc (USA)
140555R12 Komatsu America Corp. (USA)
140555R12 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
5310-00-012-0393INTERCHANGEABLE
WASHER,FLAT
120393
8455-00-200-4596INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5970-00-280-9863INTERCHANGEABLE
INSULATOR,WASHER
7610647
6610-00-629-0083INTERCHANGEABLE
TEAR BAND,COVER
A1555
5945-01-264-2771INTERCHANGEABLE
PLATE,MOUNTING
1205380
2940-01-375-5678INTERCHANGEABLE
FILTER ELEMENT,FLUID
A-1555
8455-01-528-7698INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-647-8968INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3040-00-231-6392?

NSN 3040-00-231-6392 is a Plate,retaining,shaft, manufactured by Komatsu American Intl Co, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-231-6392?

NSN 3040-00-231-6392 has 5 cross-referenced part numbers: 140555R12 (Komatsu American Intl Co), 140555R12 (Navistar International Corporation Dba Navistar), A1555 (Dana Commercial Vehicle Products, Llc), 140555R12 (Komatsu America Corp.), 140555R12 (Navistar Intl Corp Truck Br Ohio Plant).

What NSN replaces 3040-00-231-6392?

There are 8 known substitutes for 3040-00-231-6392: 5310-00-012-0393, 8455-00-200-4596, 5970-00-280-9863 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 140555R12?

Key specifications for 140555R12: Aperture Diameter: 1.532 INCHES NOMINAL IN; Material: STEEL; Outside Diameter: 6.750 INCHES NOMINAL IN; Thickness: 0.636 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-231-6392 still in active supply?

NSN 3040-00-231-6392 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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