The Lubricating Oil,gear, cataloged under National Stock Number 9150-01-601-2439, 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 Bel-Ray Company, Inc.. Government technical data includes 5 specifications, 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. 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 | 9150-01-601-2439 |
| Primary Part Number | BEL-RAY100GEAR OIL 75/80(208LI) |
| Item Name | Lubricating Oil,gear |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Bel-Ray Company, Inc. |
| Status | ACTIVE |
| Lubricant Type | ANY ACCEPTABLE |
| Minimum Flash Point and Test Method | 184.0 CELSIUS PENSKY-MARTENS CLOSED CUP DEGC |
| Quantity Within Each Unit Package | 208.0 LITERS |
| Viscosity at Rated Temp | 137.0 NOMINAL 40 DEG CELSIUS |
| Service Characteristics | ANY ACCEPTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BEL-RAY100GEAR OIL 75/80(208LI) PRIMARY | Bel-Ray Company, Inc. (USA) |
| 21420 PRIMARY | Bel-Ray Company, Inc. (USA) |
NSN 9150-01-601-2439 is a Lubricating Oil,gear, manufactured by Bel-Ray Company, Inc., classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-601-2439 has 2 manufacturer part numbers on file: BEL-RAY100GEAR OIL 75/80(208LI) (Bel-Ray Company, Inc.), 21420 (Bel-Ray Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-622-7000. Verify interchangeability with system specifications before substitution.
Key specifications for BEL-RAY100GEAR OIL 75/80(208LI): Lubricant Type: ANY ACCEPTABLE; Minimum Flash Point and Test Method: 184.0 CELSIUS PENSKY-MARTENS CLOSED CUP DEGC; Quantity Within Each Unit Package: 208.0 LITERS; Viscosity at Rated Temp: 137.0 NOMINAL 40 DEG CELSIUS. 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.