PartsTable TECHNICAL DATA SHEET
NSN 2815-00-974-7403Government record, cited

Manifold, Exhaust2815-00-974-7403

NSN 2815-00-974-7403 · NIIN 009747403 · Part number 104GC366
Mack Trucks Inc Parts Opn · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 76040
Government record, cited
NSN 2815-00-974-7403 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-974-7403. Manufacturer of record part number: 104GC366.
Also searched as  2815-00-974-7403 · 2815009747403 · NIIN 009747403 · 00-974-7403 · FSC 2815 Diesel Engines and Components · CAGE 76040 · 104GC366
Nearby stock numbers  ·
Features
  • Manifold,exhaust — FSC 2815
  • Inlet Quantity: 2
  • Bolt Hole Diameter: 0.610 INCHES NOMINAL IN
  • Thread Location: EXTERNAL
  • Inlet Connection Type: FLANGED
  • Bolt Hole Quantity: 4
  • Center to Center Distance Between Bolt Holes Along Length: 3.940 INCHES NOMINAL IN
  • Material: IRON CAST
Identification
  • NSN: 2815-00-974-7403
  • NIIN: 009747403
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 104GC366
  • Manufacturer: Mack Trucks Inc Parts Opn
General Description

The Manifold,exhaust, cataloged under National Stock Number 2815-00-974-7403, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-974-7403
Primary Part Number104GC366
Item NameManifold,exhaust
FSC / FSG2815 / 28 — Diesel Engines and Components
ManufacturerMack Trucks Inc Parts Opn
StatusACTIVE
Inlet Quantity2
Bolt Hole Diameter0.610 INCHES NOMINAL IN
Thread LocationEXTERNAL
Inlet Connection TypeFLANGED
Bolt Hole Quantity4
Center to Center Distance Between Bolt Holes Along Length3.940 INCHES NOMINAL IN
MaterialIRON CAST
Outlet End Connection TypeHOSE
Outlet Connection Outside Diameter2.812 INCHES NOMINAL IN
Temp Regulating Valve OpeningNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
104GC366 PRIMARY Mack Trucks Inc Parts Opn (USA)
No interchangeability data on file.
Other items in FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075
ENGINE,DIESEL
2815-00-001-0022
VALVE,POPPET,ENGINE
2815-00-001-3475
PISTON,INTERNAL COMBUSTION ENGIN
2815-00-001-7728
TAPPET,PUMP
2815-00-001-7737
2815-00-001-7737 · Item name not on file
2815-00-001-7805
OIL PUMP ASSEMBLY
2815-00-001-7806
CAMSHAFT,ENGINE
2815-00-001-7813
RING SET,PISTON

Frequently Asked Questions

What is NSN 2815-00-974-7403?

NSN 2815-00-974-7403 is a Manifold,exhaust, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-00-974-7403?

NSN 2815-00-974-7403 has 1 manufacturer part number on file: 104GC366 (Mack Trucks Inc Parts Opn).

What are the specifications of 104GC366?

Key specifications for 104GC366: Inlet Quantity: 2; Bolt Hole Diameter: 0.610 INCHES NOMINAL IN; Thread Location: EXTERNAL; Inlet Connection Type: FLANGED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 2815-00-974-7403 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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