The Lubricating Oil,engine, cataloged under National Stock Number 9150-01-669-1821, 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 Exxon Mobil Corporation. Government technical data includes 5 specifications, 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. 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 | 9150-01-669-1821 |
| Primary Part Number | MOBIL DELVAC 1 ATF |
| Item Name | Lubricating Oil,engine |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Exxon Mobil Corporation |
| Status | ACTIVE |
| Vapor Pressure Maximum Temp Rating | 100.0 CELSIUS DEGC |
| Effective Temp Range Rating | -54.0 TO 236.0 CELSIUS DEGC |
| Fatty Material Type | SYNTHETIC OIL |
| Quantity Within Each Unit Package | 4.0 GALLON, IMPERIAL MEASURE |
| Viscosity at Rated Temp | 40.0 NOMINAL 40 DEG CELSIUS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MOBIL DELVAC 1 ATF PRIMARY | Exxon Mobil Corporation (USA) |
NSN 9150-01-669-1821 is a Lubricating Oil,engine, manufactured by Exxon Mobil Corporation, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-669-1821 has 1 manufacturer part number on file: MOBIL DELVAC 1 ATF (Exxon Mobil Corporation).
1 possible match (shared part number, not a government interchangeability claim): 9150-01-695-1923. Verify interchangeability with system specifications before substitution.
Key specifications for MOBIL DELVAC 1 ATF: Vapor Pressure Maximum Temp Rating: 100.0 CELSIUS DEGC; Effective Temp Range Rating: -54.0 TO 236.0 CELSIUS DEGC; Fatty Material Type: SYNTHETIC OIL; Quantity Within Each Unit Package: 4.0 GALLON, IMPERIAL MEASURE. 5 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC D). 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.