The Cooler,fluid,transmission, cataloged under National Stock Number 3040-01-436-0721, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-436-0721 |
| Primary Part Number | YMD-5500 |
| Item Name | Cooler,fluid,transmission |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Special Test Features | MODEL 1E2930 GENERATION II ALBRAZE HYDRAULIC OIL COOLER WITH 2.25" CORE AND 1" NPT PORTS; HAS A VOLUME OF 0.75 GALS AND AN AREA OF 2.44 SQFT; EACH END HAS FOUR 0.406 X 0.500 MOUNTING SLOTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AMD-1139 ITEM 19 | Appleton Marine Inc (USA) |
| YMD-5500 PRIMARY | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 1E2930 | 5/9 Secondary reference Modine Manufacturing Co |
| 1E2930 | 5/9 Secondary reference Modine Mfg Co |
| AMD-1139 | 5/1 Secondary reference Appleton Marine Inc |
NSN 3040-01-436-0721 is a Cooler,fluid,transmission, manufactured by Appleton Marine Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-436-0721 has 2 manufacturer part numbers on file: AMD-1139 ITEM 19 (Appleton Marine Inc), YMD-5500 (Appleton Marine Inc).
Key specifications for YMD-5500: Special Test Features: MODEL 1E2930 GENERATION II ALBRAZE HYDRAULIC OIL COOLER WITH 2.25" CORE AND 1" NPT PORTS; HAS A VOLUME OF 0.75 GALS AND AN AREA OF 2.44 SQFT; EACH END HAS FOUR 0.406 X 0.500 MOUNTING SLOTS; Special Features: USED ON APPLETON MARINE HYDRAULIC POWER UNIT AMD-1139; End Item Identification: NAVY WEAPONS SYSTEMS JY, IWO JIMA CLASS LPH. 1 specification is documented in the U.S. Government catalog.
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.