The Clamp,hub, cataloged under National Stock Number 3040-01-122-1684, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-122-1684 |
| Primary Part Number | L4-4 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 2024 |
| Surface Treatment | ANODIZE |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Bore Diameter | 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.138 INCHES IN |
| Clamp Securing Hole Style | THREADED |
| Thickness | 0.250 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| L4-4 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 3040-01-122-1684 is a Clamp,hub, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-122-1684 has 1 cross-referenced part number: L4-4 (Roller Bearing Co of America, Inc Div Pic Design).
There are 8 known substitutes for 3040-01-122-1684: 6240-00-057-2887, 3120-00-077-0919, 3110-00-155-9002 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for L4-4: Material: ALUMINUM ALLOY 2024; Surface Treatment: ANODIZE; Material Document and Classification: QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE; Style Designator: ROUND, SINGLE BOLT SECURED. 10 total characteristics are documented in the Federal Logistics Information System.