The Grease,silicone Insulated Electr, cataloged under National Stock Number 9150-00-040-3891, 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 U S Dept of Transportation Federal Aviation Administration. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 9150-00-040-3891 |
| Primary Part Number | G305 |
| Item Name | Grease,silicone Insulated Electr |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Effective Temp Range Rating | -100.0 TO 375.0 FAHRENHEIT DEGF |
| Minimum Dropping Point | 400.0 FAHRENHEIT DEGF |
| Basic Ingredient | SILICONE AND SYNTHETIC BASE |
| Service Characteristics | OXIDATION RESISTANT AND WATER RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VERS1LUBEG305L | U S Dept of Transportation Federal Aviation Administration (USA) |
| G305 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| DC33L | Dow Silicones Corporation (USA) |
| Reference | Meaning |
|---|---|
| G305 | 5/9 Secondary reference Momentive Performance Materials Inc. |
| 417095-2 | 5/2 Secondary reference U.S. Government activity |
| VERS1LUBEG305L | 5/9 Secondary reference Momentive Performance Materials Inc. |
| G305L | C/1 Advisory reference — outside the item-of-supply concept Momentive Performance Materials Inc. |
NSN 9150-00-040-3891 is a Grease,silicone Insulated Electr, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-00-040-3891 has 3 manufacturer part numbers on file: VERS1LUBEG305L (U S Dept of Transportation Federal Aviation Administration), G305 (U S Dept of Transportation Federal Aviation Administration), DC33L (Dow Silicones Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-103-1640, 6530-01-204-8690. Verify interchangeability with system specifications before substitution.
Key specifications for G305: Effective Temp Range Rating: -100.0 TO 375.0 FAHRENHEIT DEGF; Minimum Dropping Point: 400.0 FAHRENHEIT DEGF; Basic Ingredient: SILICONE AND SYNTHETIC BASE; End Item Identification: AIR SURVEILLANCE RADAR SYSTEM-8. 4 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.