PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BM146Push Rod,engine Poppet Valve

Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations · NSN 2815-00-356-1425 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-356-1425 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-356-1425. Primary manufacturer part number: BM146.
Features
  • Push Rod,engine Poppet Valve — FSC 2815
  • End Spherical Radius: 0.250 INCHES NOMINAL SECOND END IN
  • Style Designator: CONCAVE SECOND END
  • End Largest Diameter: 0.625 INCHES NOMINAL FIRST END IN
  • Undercut Diameter: 0.438 INCHES NOMINAL FIRST END IN
  • Body Type: TUBULAR
  • Body Outside Diameter: 0.625 INCHES NOMINAL IN
  • End Largest Diameter: 0.625 INCHES NOMINAL SECOND END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Push Rod,engine Poppet Valve, cataloged under National Stock Number 2815-00-356-1425, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2815-00-356-1425
Primary Part NumberBM146
Item NamePush Rod,engine Poppet Valve
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerMack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
StatusCANCELLED
End Spherical Radius0.250 INCHES NOMINAL SECOND END IN
Style DesignatorCONCAVE SECOND END
End Largest Diameter0.625 INCHES NOMINAL FIRST END IN
Undercut Diameter0.438 INCHES NOMINAL FIRST END IN
Body TypeTUBULAR
Body Outside Diameter0.625 INCHES NOMINAL IN
End Largest Diameter0.625 INCHES NOMINAL SECOND END IN
Style DesignatorBALL, UNDERCUT, OPTIONAL FLAT FIRST END
MaterialSTEEL
Undercut Width0.405 INCHES NOMINAL FIRST END IN
End Spherical Radius0.328 INCHES NOMINAL FIRST END IN
End Length0.6560 INCHES NOMINAL SECOND END IN
Spherical Radius Depth0.470 INCHES NOMINAL SECOND END IN
End Casehardening IndicatorCASEHARDENED
End Length0.875 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3110-00-103-6259 INTERCHANGEABLE
Plate,bearing
9340-00-230-430290-112 INTERCHANGEABLE
Window,observation
Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group
4730-00-289-52803-9-4B INTERCHANGEABLE
Strainer,sediment
Gas Equipment Engineering Corporation, the Dba Geeco
4820-01-077-1988 INTERCHANGEABLE
Valve,check
6532-01-217-143290112 INTERCHANGEABLE
Surgical Pack,gown and Towel
Kimberly-Clark Corp Professional Health Care Div
3740-01-594-660290112 INTERCHANGEABLE
Sprayer,hand,industrial
H.d. Hudson Manufacturing Company Div Professional Division
Cross-Reference Index
Part NumberManufacturer
BM49794 Cummins Inc. (USA)
BM146 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
BM49793 PRIMARY Cummins Inc. (USA)
BM146 Cummins Inc. (USA)
H90112 Cummins Inc. (USA)
90112 Cummins Inc. (USA)
Related Parts
3110-00-103-6259INTERCHANGEABLE
PLATE,BEARING
9340-00-230-4302INTERCHANGEABLE
WINDOW,OBSERVATION
90-112
4730-00-289-5280INTERCHANGEABLE
STRAINER,SEDIMENT
3-9-4B
4820-01-077-1988INTERCHANGEABLE
VALVE,CHECK
6532-01-217-1432INTERCHANGEABLE
SURGICAL PACK,GOWN AND TOWEL
90112
3740-01-594-6602INTERCHANGEABLE
SPRAYER,HAND,INDUSTRIAL
90112

Frequently Asked Questions

What is NSN 2815-00-356-1425?

NSN 2815-00-356-1425 is a Push Rod,engine Poppet Valve, manufactured by Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-00-356-1425?

NSN 2815-00-356-1425 has 6 cross-referenced part numbers: BM49794 (Cummins Inc.), BM146 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), BM49793 (Cummins Inc.), BM146 (Cummins Inc.), H90112 (Cummins Inc.) and 1 more.

What NSN replaces 2815-00-356-1425?

There are 6 known substitutes for 2815-00-356-1425: 3110-00-103-6259, 9340-00-230-4302, 4730-00-289-5280 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BM146?

Key specifications for BM146: End Spherical Radius: 0.250 INCHES NOMINAL SECOND END IN; Style Designator: CONCAVE SECOND END; Overall Length: 18.688 INCHES NOMINAL IN; End Largest Diameter: 0.625 INCHES NOMINAL FIRST END IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2815-00-356-1425 still in active supply?

NSN 2815-00-356-1425 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.
PartsTable Design LLC · partstable.com