The Collar,shaft, cataloged under National Stock Number 3040-01-486-3894, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-486-3894 |
| Primary Part Number | 518-5794755 ITEM 21 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Surface Finish | 63 MICROINCHES OUTSIDE PERIPHERY |
| Securing Hole Quantity | 3 |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 AND 180.0 |
| Surface Treatment | PAINT |
| Style Designator | PLAIN ROUND |
| Nominal Thread Size | 0.250 INCHES THREAD IN |
| Hole Diameter and Location | 0.2500 INCHES NOMINAL 2ND HOLE AND 0.2500 INCHES NOMINAL 3RD HOLE IN |
| Countersunk Hole Angle in Deg and Location | 90.0 1ST HOLE |
| Securing Hole Type and Location | THREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE |
| Material | NICKEL ALLOY |
| Countersink Major Diameter and Location | 0.2812 INCHES NOMINAL 1ST HOLE IN |
| Screw Thread Series Designator and Location | 1ST HOLE UNIFIED NATIONAL COARSE (UNC) |
| Thickness | 1.495 INCHES MINIMUM AND 1.496 INCHES MAXIMUM IN |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Bore Diameter | 0.6260 INCHES MINIMUM AND 0.6290 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2018-4 ITEM 21 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 2018-4 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 5794755 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 518-5794755 ITEM 21 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3040-01-486-3894 is a Collar,shaft, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-486-3894 has 4 cross-referenced part numbers: 2018-4 ITEM 21 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2018-4 (Huntington Ingalls Inc Div Newport News Shipbuilding), 5794755 (Huntington Ingalls Inc Div Newport News Shipbuilding), 518-5794755 ITEM 21 (Huntington Ingalls Inc Div Newport News Shipbuilding).
There are 10 known substitutes for 3040-01-486-3894: 5915-00-324-2178, 6115-00-659-2786, 5930-01-045-0219 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 518-5794755 ITEM 21: Surface Finish: 63 MICROINCHES OUTSIDE PERIPHERY; Securing Hole Quantity: 3; End Item Identification: LOS ANGELES CLASS SSN (688); Angle Between Centerlines of Securing Holes in Deg: 90.0 AND 180.0. 18 total characteristics are documented in the Federal Logistics Information System.