The Clamp,hub, cataloged under National Stock Number 3040-00-104-4838, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-104-4838 |
| Primary Part Number | 1771037 |
| Item Name | Clamp,hub |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Clamp Securing Hole Style | THREADED |
| Material Document and Classification | AISI W1 ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Finish | 250 MICROINCHES BOTH BEARING FLATS |
| Style Designator | RECTANGULAR, SINGLE BOLT SECURED |
| Surface Treatment | OXIDE |
| Surface Finish | 125 MICROINCHES INSIDE PERIPHERY |
| Material | STEEL |
| Bore Diameter | 0.1870 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.112 INCHES IN |
| Thickness | 0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Distance From Bore Centerline to End | 0.261 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Plain Hole Diameter | 0.1270 INCHES MINIMUM AND 0.1380 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3040-00-104-4838 is a Clamp,hub, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-104-4838 has 3 cross-referenced part numbers: 1771037 (Lockheed Martin Corporation Div Rms - Mitchel Field), 41-251 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1771037 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 9 known substitutes for 3040-00-104-4838: 5850-00-174-2858, 1680-00-347-0425, 6340-00-605-4108 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1771037: Clamp Securing Hole Style: THREADED; Material Document and Classification: AISI W1 ASSN STD SINGLE MATERIAL RESPONSE; Surface Finish: 250 MICROINCHES BOTH BEARING FLATS; Style Designator: RECTANGULAR, SINGLE BOLT SECURED. 16 total characteristics are documented in the Federal Logistics Information System.