PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3B3Connecting Rod,piston

Neac Compressor Service Usa Inc · NSN 2815-00-437-6938 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-437-6938 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-437-6938. Primary manufacturer part number: 3B3.
Features
  • Connecting Rod,piston — FSC 2815
  • Piston End Connection Style: SMALL ENGINE AND AUTOMOTIVE STANDARD
  • Piston Connecting End Lubrication Method: FULL FORCED-FEED
  • Body Thickness at Shaft Connecting End: 2.500 INCHES NOMINAL IN
  • Edge Radius: 2.500 INCHES NOMINAL IN
  • Body Width at Shaft Connecting End: 2.750 INCHES NOMINAL IN
  • Shaft Connecting End Edge Radius: 4.000 INCHES NOMINAL IN
  • Shaft Connecting End Style: 4 BOLT ROD
Applications
  • Applications requiring Steel construction
General Description

The Connecting Rod,piston, cataloged under National Stock Number 2815-00-437-6938, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Neac Compressor Service Usa Inc. Government technical data includes 23 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-437-6938
Primary Part Number3B3
Item NameConnecting Rod,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerNeac Compressor Service Usa Inc
StatusACTIVE
Piston End Connection StyleSMALL ENGINE AND AUTOMOTIVE STANDARD
Piston Connecting End Lubrication MethodFULL FORCED-FEED
Body Thickness at Shaft Connecting End2.500 INCHES NOMINAL IN
Edge Radius2.500 INCHES NOMINAL IN
Body Width at Shaft Connecting End2.750 INCHES NOMINAL IN
Shaft Connecting End Edge Radius4.000 INCHES NOMINAL IN
Shaft Connecting End Style4 BOLT ROD
End Thickness3.844 INCHES NOMINAL IN
Center to Center Effective Length22.000 INCHES NOMINAL IN
Body Thickness at Piston Connecting End2.500 INCHES NOMINAL IN
Piston Connecting End Lubrication Drill FeatureINCLUDED
Piston Connecting End BearingNOT INCLUDED
Body Width at Piston Connecting End2.500 INCHES NOMINAL IN
Shaft Connecting End Thickness3.938 INCHES NOMINAL IN
Shaft Connecting End Width8.000 INCHES NOMINAL IN
Shaft Connecting End Lubrication MethodFULL FORCED-FEED
Shaft Connecting End BearingNOT INCLUDED
Shaft Connecting End Lubrication Drill FeatureINCLUDED
Shaft Connecting End Hole Inside Diameter5.625 INCHES NOMINAL IN
End Hole Inside Diameter3.625 INCHES NOMINAL IN
MaterialSTEEL
Cross-Sectional Shape StyleI-SECTION TYPE
Fabrication MethodFORGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-00-152-792310623-1 INTERCHANGEABLE
Attenuator,fixed
Alliant Techsystems Operations Llc Div Defense Electronic Systems
6625-00-247-44613B3 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
3B3 PRIMARY Neac Compressor Service Usa Inc (USA)
Related Parts
5985-00-152-7923INTERCHANGEABLE
ATTENUATOR,FIXED
10623-1
6625-00-247-4461INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
3B3

Frequently Asked Questions

What is NSN 2815-00-437-6938?

NSN 2815-00-437-6938 is a Connecting Rod,piston, manufactured by Neac Compressor Service Usa Inc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-437-6938?

NSN 2815-00-437-6938 has 1 cross-referenced part number: 3B3 (Neac Compressor Service Usa Inc).

What NSN replaces 2815-00-437-6938?

There are 2 known substitutes for 2815-00-437-6938: 5985-00-152-7923, 6625-00-247-4461. Verify interchangeability with system specifications before substitution.

What are the specifications of 3B3?

Key specifications for 3B3: Piston End Connection Style: SMALL ENGINE AND AUTOMOTIVE STANDARD; Piston Connecting End Lubrication Method: FULL FORCED-FEED; Body Thickness at Shaft Connecting End: 2.500 INCHES NOMINAL IN; Edge Radius: 2.500 INCHES NOMINAL IN. 23 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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