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NSN 2815-01-502-8792Government record, cited

Spring, Expander, Piston Ring2815-01-502-8792

NSN 2815-01-502-8792 · NIIN 015028792 · Part number 29505719
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 73342
Government record, cited
NSN 2815-01-502-8792 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-502-8792. Manufacturer of record part number: 29505719.
Also searched as  2815-01-502-8792 · 2815015028792 · NIIN 015028792 · 01-502-8792 · FSC 2815 Diesel Engines and Components · CAGE 73342 · 29505719 · 5HA155 · 5HA155
Nearby stock numbers  ·
Features
  • Spring,expander,piston Ring — FSC 2815
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc
Identification
  • NSN: 2815-01-502-8792
  • NIIN: 015028792
  • FSC: 2815 — Diesel Engines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 29505719
  • Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
General Description

The Spring,expander,piston Ring, cataloged under National Stock Number 2815-01-502-8792, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-502-8792
Primary Part Number29505719
Item NameSpring,expander,piston Ring
FSC / FSG2815 / 28 — Diesel Engines and Components
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
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
5HA155 Oshkosh Defense Llc (USA)
29505719 Daimler Truck North America Llc (USA)
29505719 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Reference documents
ReferenceMeaning
5HA155 5/9 Secondary reference
Oshkosh Corp
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 2815-01-502-8792?

NSN 2815-01-502-8792 is a Spring,expander,piston Ring, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-502-8792?

NSN 2815-01-502-8792 has 3 manufacturer part numbers on file: 5HA155 (Oshkosh Defense Llc), 29505719 (Daimler Truck North America Llc), 29505719 (Allison Transmission Inc Dba Allison Transmission, Inc).

What are the specifications of 29505719?

Key specifications for 29505719: Special Features: USED ON HEMTT MODEL 977 WITH WINCH; GOES TO ROTATING CLUTCH WITHOUT POWER TAKE OFF FOUND ON TRANSMISSION FOR DETROIT DIESEL DEC IV ENGINE; Part Name Assigned by Controlling Agency: SPRING ASSEMBLY, C2 PISTON RETURN; End Item Identification: 2320-01-097-0260 TRUCK,CARGO; W/S TRUCK HEAVY EXPANDED MOBILITY TACTICAL (HEMTT); MRAP BUFFALO MK2A2. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-502-8792 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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