PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-99Chamber,precombustion

S&s Truck Parts, Llc · NSN 2815-00-980-2326 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-980-2326 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-980-2326. Primary manufacturer part number: S-99.
Features
  • Chamber,precombustion — FSC 2815
  • 7 verified cross-references
  • Primary manufacturer: S&s Truck Parts, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chamber,precombustion, cataloged under National Stock Number 2815-00-980-2326, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is S&s Truck Parts, Llc. This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameChamber,precombustion
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersKomatsu America Corp. (CAGE 0SAT8); Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); Komatsu American Intl Co (CAGE 29510); Navistar International Corporation Dba Navistar (CAGE 31007); Komatsu America Corporation (CAGE 23926)
Technical Specifications
ParameterValue
NSN2815-00-980-2326
Primary Part NumberS-99
Item NameChamber,precombustion
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerS&s Truck Parts, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-251-1790 INTERCHANGEABLE
Angle,structural
4730-00-336-8937HD99 INTERCHANGEABLE
Strainer Element,sediment
Gross Mechanical Laboratories Inc
6850-01-665-0470 INTERCHANGEABLE
Silicone Spray
Cross-Reference Index
Part NumberManufacturer
278275R3 Komatsu America Corp. (USA)
278275R3 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
278275R3 Komatsu American Intl Co (USA)
278275R3 Navistar International Corporation Dba Navistar (USA)
98809 Komatsu America Corporation (USA)
S-99 PRIMARY S&s Truck Parts, Llc (USA)
D98809 Komatsu America Corporation (USA)
Related Parts
9540-00-251-1790INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-00-336-8937INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
HD99
6850-01-665-0470INTERCHANGEABLE
SILICONE SPRAY

Frequently Asked Questions

What is NSN 2815-00-980-2326?

NSN 2815-00-980-2326 is a Chamber,precombustion, manufactured by S&s Truck Parts, Llc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-980-2326?

NSN 2815-00-980-2326 has 7 cross-referenced part numbers: 278275R3 (Komatsu America Corp.), 278275R3 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 278275R3 (Komatsu American Intl Co), 278275R3 (Navistar International Corporation Dba Navistar), 98809 (Komatsu America Corporation) and 2 more.

What NSN replaces 2815-00-980-2326?

There are 3 known substitutes for 2815-00-980-2326: 9540-00-251-1790, 4730-00-336-8937, 6850-01-665-0470. Verify interchangeability with system specifications before substitution.

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