The Collar,shaft, cataloged under National Stock Number 3040-01-291-1020, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-291-1020 |
| Primary Part Number | 158756-19 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 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 |
|---|---|
| 158756-19 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL4232DC197 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| SL4232DC197 | 5/9 Secondary reference U.S. Government activity |
| 2429P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 158756-19 | 3/9 Design control — primary reference U.S. Government activity |
| SL4232 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-291-1020 is a Collar,shaft, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-291-1020 has 2 manufacturer part numbers on file: 158756-19 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL4232DC197 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 158756-19: End Item Identification: 4320-00-346-8639; 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.