The Collar,shaft, cataloged under National Stock Number 3040-01-232-2904, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-232-2904 |
| Primary Part Number | L4-26 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 SETSCREW |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | ALL HOLES UNF |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 4 |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| L4-26 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 3040-01-232-2904 is a Collar,shaft, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-232-2904 has 1 manufacturer part number on file: L4-26 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for L4-26: Furnished Items and Quantity: 4 SETSCREW; Securing Hole Type and Location: THREADED ALL HOLES; Style Designator: PLAIN ROUND; Material Document and Classification: QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE. 13 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.