The Clamp,hub, cataloged under National Stock Number 3040-00-400-3077, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dynaco Gears Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3040-00-400-3077 |
| Primary Part Number | AC250 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Dynaco Gears Inc |
| Status | CANCELLED |
| Clamp Securing Hole Style | THREADED |
| Nominal Thread Size | 0.138 INCHES IN |
| Material | ALUMINUM ALLOY 2024 |
| Style Designator | ROUND, SINGLE BOLT SECURED |
| Surface Treatment | ANODIZE |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Thickness | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AC250 PRIMARY | Dynaco Gears Inc (USA) |
| 5189113-002 | Naval Sea Systems Command (USA) |
| L4-5 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 75-805436-1 | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA) |
| C66 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| SM-B-890008-1 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| L4-6 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| P1-8 | Continental Gear Co (USA) |
| AC250 | Dynaco Div Tyco Laboratories (USA) |
| LU-2 SPECIAL ALUMINUM | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| CG1-9A | W. M. Berg, Inc. (USA) |
| S3501Y-C066 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| 75-805436-1 | Eighmy Corp the (USA) |
NSN 3040-00-400-3077 is a Clamp,hub, manufactured by Dynaco Gears Inc, classified under FSC 3040 (No Item Name Available). Status: cancelled.
NSN 3040-00-400-3077 has 13 cross-referenced part numbers: AC250 (Dynaco Gears Inc), 5189113-002 (Naval Sea Systems Command), L4-5 (Roller Bearing Co of America, Inc Div Pic Design), 75-805436-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), C66 (Designatronics Incorporated Div Sterling Instruments Div) and 8 more.
There are 12 known substitutes for 3040-00-400-3077: 3455-00-187-2567, 5315-00-238-7157, 5670-00-388-7153 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AC250: Clamp Securing Hole Style: THREADED; Nominal Thread Size: 0.138 INCHES IN; Material: ALUMINUM ALLOY 2024; Style Designator: ROUND, SINGLE BOLT SECURED. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 3040-00-400-3077 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.