The Grease,transmission, cataloged under National Stock Number 9150-01-212-1409, 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 The Boeing Company. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Grease,transmission |
| FSC / FSG | 9150 — Oils and Greases: Cutting, Lubricating, and Hydraulic (FSG 91) |
| Manufacturers | The Boeing Company (CAGE 8V613); Syn-Tech Ltd (CAGE 53592) |
| Parameter | Value |
|---|---|
| NSN | 9150-01-212-1409 |
| Primary Part Number | HMS20-1155 |
| Item Name | Grease,transmission |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HMS20-1155 PRIMARY | The Boeing Company (USA) |
| HMS20-1155 | Syn-Tech Ltd (USA) |
| NS-4405-FG | Syn-Tech Ltd (USA) |
| Reference | Meaning |
|---|---|
| OMS20-1155 | 5/9 Secondary reference Alliant Techsystems Operations Llc |
| HMS20-1155 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 9150PL2212717 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| OMS20-1155 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corp Div Weapon System |
NSN 9150-01-212-1409 is a Grease,transmission, manufactured by The Boeing Company, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-212-1409 has 3 manufacturer part numbers on file: HMS20-1155 (The Boeing Company), HMS20-1155 (Syn-Tech Ltd), NS-4405-FG (Syn-Tech Ltd).
1 possible match (shared part number, not a government interchangeability claim): 9150-01-444-1385. Verify interchangeability with system specifications before substitution.
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.