PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C46Spacer,ring

American Standard Inc Westinghouse Air Brake Co Div · NSN 5365-00-424-0578 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-424-0578 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-424-0578. Primary manufacturer part number: C46.
Features
  • Spacer,ring — FSC 5365
  • Inside Diameter: 3.250 INCHES NOMINAL IN
  • Outside Diameter: 4.250 INCHES NOMINAL IN
  • Overall Thickness: 0.500 INCHES NOMINAL IN
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: American Standard Inc Westinghouse Air Brake Co Div
Applications
  • Applications requiring Steel construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-00-424-0578, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 4 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-424-0578
Primary Part NumberC46
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerAmerican Standard Inc Westinghouse Air Brake Co Div
StatusACTIVE
Inside Diameter3.250 INCHES NOMINAL IN
Outside Diameter4.250 INCHES NOMINAL IN
Overall Thickness0.500 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2920-00-064-7811306 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
5950-00-816-1279NAV0RDDWG2635297 INTERCHANGEABLE
Transformer,power
Bae Systems Land & Armaments L.p.
2920-01-011-3436 INTERCHANGEABLE
Spark Plug
3510-01-305-4294C46 INTERCHANGEABLE
Pad,laundry Press,commercial
Bishop Freeman Co
3040-01-361-0569C46 INTERCHANGEABLE
Clamp,hub
Designatronics Incorporated Div Sterling Instruments Div
5110-01-368-4062C-46 INTERCHANGEABLE
Chisel,cape,hand
Williams J H Industrial Products Inc
Cross-Reference Index
Part NumberManufacturer
C46 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
2920-00-064-7811INTERCHANGEABLE
SPARK PLUG
306
5950-00-816-1279INTERCHANGEABLE
TRANSFORMER,POWER
NAV0RDDWG2635297
2920-01-011-3436INTERCHANGEABLE
SPARK PLUG
3510-01-305-4294INTERCHANGEABLE
PAD,LAUNDRY PRESS,COMMERCIAL
C46
3040-01-361-0569INTERCHANGEABLE
CLAMP,HUB
C46
5110-01-368-4062INTERCHANGEABLE
CHISEL,CAPE,HAND
C-46

Frequently Asked Questions

What is NSN 5365-00-424-0578?

NSN 5365-00-424-0578 is a Spacer,ring, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-424-0578?

NSN 5365-00-424-0578 has 1 cross-referenced part number: C46 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 5365-00-424-0578?

There are 6 known substitutes for 5365-00-424-0578: 2920-00-064-7811, 5950-00-816-1279, 2920-01-011-3436 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C46?

Key specifications for C46: Inside Diameter: 3.250 INCHES NOMINAL IN; Outside Diameter: 4.250 INCHES NOMINAL IN; Overall Thickness: 0.500 INCHES NOMINAL IN; Material: STEEL. 4 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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