The Cooler,lubricating Oil, cataloged under National Stock Number 2930-00-477-1869, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-00-477-1869 |
| Primary Part Number | 8547556 |
| Item Name | Cooler,lubricating Oil |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BASE MTD,OVAL SHAPE,10.500 IN. O/A LG,4.875 IN. W,4.625 IN. H,8 MOUNTING HOLES IN BASE,0.312 IN. DIA,2.875 IN. C TO C,0.750 IN. DIA,14 NPT THD INLET AND OUTLET HOLES,6.750 IN. C TO C,16 CORES,8.625 IN. O/A LG,3.000 IN. W IN |
| 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 |
|---|---|
| 8547556 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 8538954 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 8534847 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 8538954 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
NSN 2930-00-477-1869 is a Cooler,lubricating Oil, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-477-1869 has 1 manufacturer part number on file: 8547556 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-178-1784. Verify interchangeability with system specifications before substitution.
Key specifications for 8547556: General Characteristics Item Description: BASE MTD,OVAL SHAPE,10.500 IN. O/A LG,4.875 IN. W,4.625 IN. H,8 MOUNTING HOLES IN BASE,0.312 IN. DIA,2.875 IN. C TO C,0.750 IN. DIA,14 NPT THD INLET AND OUTLET HOLES,6.750 IN. C TO C,16 CORES,8.625 IN. O/A LG,3.000 IN. W IN. 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.