The Collar,shaft, cataloged under National Stock Number 3040-00-540-3786, 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 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-540-3786 |
| Primary Part Number | SL5058PC56 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Largest Diameter Length | 0.188 INCHES NOMINAL IN |
| Style Designator | ROUND W/SINGLE CHAMFER |
| Material Document and Classification | MIL-S-890, CLASS B MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 1.1820 INCHES MINIMUM AND 1.1830 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| SL5058PC56 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 255058-5 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| CS3040-0020 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| 10152 PRIMARY | Rps-Fl, Inc. Dba Rps Inc (USA) |
| Reference | Meaning |
|---|---|
| DD445S4700-373ALT2 | 5/9 Secondary reference U.S. Government activity |
| SL-5058 | D/9 Drawing number reference only U.S. Government activity |
| 255058-5 | 5/9 Secondary reference U.S. Government activity |
| DD445S4700-373ALT2 | 5/9 Secondary reference Naval Sea Systems Command |
| DD445-S4700-373 | D/9 Drawing number reference only Naval Sea Systems Command |
| SL5058PC56 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-540-3786 is a Collar,shaft, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-540-3786 has 4 manufacturer part numbers on file: SL5058PC56 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 255058-5 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), CS3040-0020 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 10152 (Rps-Fl, Inc. Dba Rps Inc).
Key specifications for SL5058PC56: Largest Diameter Length: 0.188 INCHES NOMINAL IN; Style Designator: ROUND W/SINGLE CHAMFER; Material Document and Classification: MIL-S-890, CLASS B MIL SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 1.750 INCHES NOMINAL IN. 8 specifications are 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.