The Worm Shaft, cataloged under National Stock Number 3040-00-300-7801, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Diamond Power International, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-300-7801 |
| Primary Part Number | 312853-1047-64 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Diamond Power International, Inc. |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 312853-1047-64 | Diamond Power International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N3-20293PBC2 | 5/9 Secondary reference Diamond Electronics Inc |
| 907806-0022 | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 907806-0022 | 5/9 Secondary reference Diamond Electronics Inc |
| F3228261REVAPC2 | 5/2 Secondary reference U.S. Government activity |
| 907806-0022 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| N3-20293PBC2 | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
NSN 3040-00-300-7801 is a Worm Shaft, manufactured by Diamond Power International, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-300-7801 has 1 manufacturer part number on file: 312853-1047-64 (Diamond Power International, Inc.).
Key specifications for 312853-1047-64: Material: STEEL. 1 specification is documented in the U.S. Government catalog.
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.