The Nut,plain,round, cataloged under National Stock Number 5310-00-391-8580, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-391-8580 |
| Primary Part Number | 45503 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Drive Point Quantity | 2 |
| Material | STEEL OVERALL |
| Nut Thickness | 0.570 INCHES NOMINAL IN |
| Nominal Thread Size | 1.250 INCHES IN |
| Thread Quantity Per Inch | 12 |
| Thread Series | UNF |
| Nut Style | ROUND |
| Drive Point Depth | 0.300 INCHES NOMINAL IN |
| Nut Diameter | 3.130 INCHES NOMINAL IN |
| Thread Class | 2B |
| Drive Point Diameter | 0.275 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 45503 | Westinghouse Electric Corp Sturtevant Div (USA) |
| 45503 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-653DPC562 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-653DPC562 | Westinghouse Electric Corp Sturtevant Div (USA) |
NSN 5310-00-391-8580 is a Nut,plain,round, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-391-8580 has 4 cross-referenced part numbers: 45503 (Westinghouse Electric Corp Sturtevant Div), 45503 (Northrop Grumman Systems Corporation Div Marine Systems), D15-653DPC562 (Northrop Grumman Systems Corporation Div Marine Systems), D15-653DPC562 (Westinghouse Electric Corp Sturtevant Div).
There are 4 known substitutes for 5310-00-391-8580: 3455-00-517-5366, 5340-01-259-6532, 4320-01-437-8934 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 45503: Thread Direction: RIGHT-HAND; Drive Point Quantity: 2; Material: STEEL OVERALL; Nut Thickness: 0.570 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.