PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3 1121-1Engine Block,diesel

Mak Americas Inc · NSN 2815-01-339-7950 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-339-7950 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-339-7950. Primary manufacturer part number: 3 1121-1.
Features
  • Engine Block,diesel — FSC 2815
  • 1 verified cross-reference
  • Primary manufacturer: Mak Americas Inc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Engine Block,diesel, cataloged under National Stock Number 2815-01-339-7950, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Mak Americas Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameEngine Block,diesel
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersMak Americas Inc (CAGE 0NMB0)
Technical Specifications
ParameterValue
NSN2815-01-339-7950
Primary Part Number3 1121-1
Item NameEngine Block,diesel
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerMak Americas Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-00-015-860931121-1 INTERCHANGEABLE
Gear,spur
Rtx Corporation Div Pratt & Whitney
4810-00-172-389073212BN2MN00N0L111P3 INTERCHANGEABLE
Valve,solenoid
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Control Division
5315-00-222-71415315H23-000 INTERCHANGEABLE
Pin,straight,headless
Us Army Aviation and Missile Command
5935-01-192-8013 INTERCHANGEABLE
Connector,receptacle,electrical
4140-01-347-3343 INTERCHANGEABLE
Fan,vaneaxial
1015-01-543-424531121-1 INTERCHANGEABLE
Block,filler,mortar
Ares, Inc
6150-01-710-313231121-1 INTERCHANGEABLE
Cable and Conduit Assembly,elect
Flexco Microwave Inc
Cross-Reference Index
Part NumberManufacturer
3 1121-1 PRIMARY Mak Americas Inc (CAN)
Related Parts
3020-00-015-8609INTERCHANGEABLE
GEAR,SPUR
31121-1
4810-00-172-3890INTERCHANGEABLE
VALVE,SOLENOID
73212BN2MN00N0L111P3
5315-00-222-7141INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315H23-000
5935-01-192-8013INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4140-01-347-3343INTERCHANGEABLE
FAN,VANEAXIAL
1015-01-543-4245INTERCHANGEABLE
BLOCK,FILLER,MORTAR
31121-1
6150-01-710-3132INTERCHANGEABLE
CABLE AND CONDUIT ASSEMBLY,ELECT
31121-1

Frequently Asked Questions

What is NSN 2815-01-339-7950?

NSN 2815-01-339-7950 is a Engine Block,diesel, manufactured by Mak Americas Inc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-339-7950?

NSN 2815-01-339-7950 has 1 cross-referenced part number: 3 1121-1 (Mak Americas Inc).

What NSN replaces 2815-01-339-7950?

There are 7 known substitutes for 2815-01-339-7950: 3020-00-015-8609, 4810-00-172-3890, 5315-00-222-7141 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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