The Drain Valve Block, cataloged under National Stock Number 3040-01-159-7145, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Marine North America Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Drain Valve Block |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Rolls-Royce Marine North America Inc. (CAGE 38ZC7) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-159-7145 |
| Primary Part Number | 6899572 |
| Item Name | Drain Valve Block |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Marine North America Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 6899572 PRIMARY | Rolls-Royce Marine North America Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6899572 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6899572 | 3/9 Design control — primary reference Rolls-Royce Corporation |
NSN 3040-01-159-7145 is a Drain Valve Block, manufactured by Rolls-Royce Marine North America Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-159-7145 has 1 manufacturer part number on file: 6899572 (Rolls-Royce Marine North America Inc.).
No hazard code in the DLA record (HMIC N). 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.