PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

631GC4101P7X AND 57GC259Turbocharger,diesel

Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations · NSN 2990-00-297-2399 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-297-2399 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-297-2399. Primary manufacturer part number: 631GC4101P7X AND 57GC259.
Features
  • Turbocharger,diesel — FSC 2990
  • General Characteristics Item Description: FLANGE MTD,RECTANGULAR SHAPE
  • 6 verified cross-references
  • Primary manufacturer: Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Turbocharger,diesel, cataloged under National Stock Number 2990-00-297-2399, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-297-2399
Primary Part Number631GC4101P7X AND 57GC259
Item NameTurbocharger,diesel
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerMack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
StatusACTIVE
General Characteristics Item DescriptionFLANGE MTD,RECTANGULAR SHAPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2815-00-146-2311 INTERCHANGEABLE
Plug
5120-00-199-7767 INTERCHANGEABLE
Socket,socket Wrench
4510-00-242-4357S82 INTERCHANGEABLE
Stopper,waste Drain
Kirkhill Inc
6685-00-260-75596156 INTERCHANGEABLE
Case,thermometer
Brooklyn Thermometer Co Inc
5310-00-274-98496156 INTERCHANGEABLE
Washer,flat
Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems
5930-00-379-42765169945 INTERCHANGEABLE
Switch,rotary
Rolls-Royce Solutions America Inc
6930-00-397-26736156 INTERCHANGEABLE
Shoe,brake Altitude
Instruments and Flight Research, Inc.
2835-00-705-453896156-1 INTERCHANGEABLE
Diaphragm Assembly
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4520-00-917-7461 INTERCHANGEABLE
Heating Element,electrical,nonim
5120-01-064-1924 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
631GC465AP1X Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
631GC465A Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
CLR0153 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
631GC4101P7X AND 57GC259 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
X631GC465A000 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
6-156 Echlin Inc (USA)
Related Parts
2815-00-146-2311INTERCHANGEABLE
PLUG
5120-00-199-7767INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4510-00-242-4357INTERCHANGEABLE
STOPPER,WASTE DRAIN
S82
6685-00-260-7559INTERCHANGEABLE
CASE,THERMOMETER
6156
5310-00-274-9849INTERCHANGEABLE
WASHER,FLAT
6156
5930-00-379-4276INTERCHANGEABLE
SWITCH,ROTARY
5169945
6930-00-397-2673INTERCHANGEABLE
SHOE,BRAKE ALTITUDE
6156
2835-00-705-4538INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
96156-1
4520-00-917-7461INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
5120-01-064-1924INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5640-01-304-4031INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5120-01-335-9084INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 2990-00-297-2399?

NSN 2990-00-297-2399 is a Turbocharger,diesel, manufactured by Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-297-2399?

NSN 2990-00-297-2399 has 6 cross-referenced part numbers: 631GC465AP1X (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), 631GC465A (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), CLR0153 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), 631GC4101P7X AND 57GC259 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), X631GC465A000 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations) and 1 more.

What NSN replaces 2990-00-297-2399?

There are 12 known substitutes for 2990-00-297-2399: 2815-00-146-2311, 5120-00-199-7767, 4510-00-242-4357 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 631GC4101P7X AND 57GC259?

Key specifications for 631GC4101P7X AND 57GC259: General Characteristics Item Description: FLANGE MTD,RECTANGULAR SHAPE. 1 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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