The Lubricating Oil,engine, cataloged under National Stock Number 9150-01-524-9121, is classified within Federal Supply Class 9150 (Oils and Greases: Cutting, Lubricating, and Hydraulic) of the Fuels, Lubricants, Oils, and Waxes group. The manufacturer of record is Alfariver Defense S.l. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9150-01-524-9121 |
| Primary Part Number | C-1270000729 |
| Item Name | Lubricating Oil,engine |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Alfariver Defense S.l |
| Status | ACTIVE |
| Maximum Pour Point | -23.00 CELSIUS DEGC |
| Supplementary Features | API ENGINE SERVICE CLASSIFICATION CI-4 PLUS |
| Fatty Material Type | ANY ACCEPTABLE |
| Quantity Within Each Unit Package | 55.000 GALLONS |
| Nondefinitive Spec/std Data | 5W-40 GRADE W |
| Viscosity at Rated Temp | 12.50 MINIMUM 100 DEG CELSIUS AND 16.30 MAXIMUM 100 DEG CELSIUS |
| Environmental Attribute Code | COMPREHENSIVE PROCUREMENT GUIDELINE - VEHICULAR PRODUCTS - RE-REFINED LUBRICATING OILS |
| Service Characteristics | ANTIFOAM AND ANTIWEAR AND CORROSION RESISTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C-1270000729 | Alfariver Defense S.l (ESP) |
| GXS 5W40 | Compania General De Lubricantes Sa (ESP) |
| 1023GA | Eni Iberia Slu (ESP) |
| I-SINT 5W-40 200L | Eni Iberia Slu (ESP) |
| Reference | Meaning |
|---|---|
| 5W-40 | 5/1 Secondary reference Sae International Dba Sae International |
| SILVER O-1179 55GL-200 | 5/1 Secondary reference Silver Industrial SL |
| 5W-40 | 5/9 Secondary reference U.S. Government activity |
| J2363 | 5/9 Secondary reference U.S. Government activity |
| J2363 | 3/1 Design control — primary reference Dla Aviation Engineering Div Department of Defense |
NSN 9150-01-524-9121 is a Lubricating Oil,engine, manufactured by Alfariver Defense S.l, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-524-9121 has 4 manufacturer part numbers on file: C-1270000729 (Alfariver Defense S.l), GXS 5W40 (Compania General De Lubricantes Sa), 1023GA (Eni Iberia Slu), I-SINT 5W-40 200L (Eni Iberia Slu).
6 possible matches (shared part number, not a government interchangeability claim): 9150-01-524-9129, 9150-01-524-9134, 9150-01-524-9138. Verify interchangeability with system specifications before substitution.
Key specifications for C-1270000729: Maximum Pour Point: -23.00 CELSIUS DEGC; Supplementary Features: API ENGINE SERVICE CLASSIFICATION CI-4 PLUS; Fatty Material Type: ANY ACCEPTABLE; Quantity Within Each Unit Package: 55.000 GALLONS. 8 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.