The Piston, cataloged under National Stock Number 4530-00-360-5270, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Suntec Industries Inc Del Dba Suntec. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Piston |
| FSC / FSG | 4530 — Fuel Burning Equipment Units (FSG 45) |
| Manufacturers | Aeroil Products Co Inc (CAGE 70142); Suntec Industries Inc Del Dba Suntec (CAGE 1Y370); Asphalt Equipment Co Inc (CAGE 17624) |
| Parameter | Value |
|---|---|
| NSN | 4530-00-360-5270 |
| Primary Part Number | 109239 |
| Item Name | Piston |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Suntec Industries Inc Del Dba Suntec |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 74146-19 | Aeroil Products Co Inc (USA) |
| 109239 PRIMARY | Suntec Industries Inc Del Dba Suntec (USA) |
| 109239P PRIMARY | Asphalt Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 109239 | 5/9 Secondary reference U.S. Government activity |
| 109239 | 5/9 Secondary reference Bros Inc |
NSN 4530-00-360-5270 is a Piston, manufactured by Suntec Industries Inc Del Dba Suntec, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-360-5270 has 3 manufacturer part numbers on file: 74146-19 (Aeroil Products Co Inc), 109239 (Suntec Industries Inc Del Dba Suntec), 109239P (Asphalt Equipment Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-517-1817, 2010-01-525-6362. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.