The Nut,plain,round, cataloged under National Stock Number 5310-01-203-0247, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5310-01-203-0247 |
| Primary Part Number | 111139 |
| 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 |
| Thread Series | UNF |
| Nut Style | ROUND |
| Thread Class | 2B |
| Nut Thickness | 0.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 |
| Drive Point Quantity | 2 |
| Drive Point Diameter | 0.281 INCHES NOMINAL IN |
| Nominal Thread Size | 1.125 INCHES IN |
| Nut Diameter | 2.375 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 111139 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 111139 | Westinghouse Electric Corp Sturtevant Div (USA) |
| CV9S5300-014 PIECE 528 | Naval Ship Systems Command (USA) |
NSN 5310-01-203-0247 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 5310-01-203-0247 has 3 cross-referenced part numbers: 111139 (Northrop Grumman Systems Corporation Div Marine Systems), 111139 (Westinghouse Electric Corp Sturtevant Div), CV9S5300-014 PIECE 528 (Naval Ship Systems Command).
There are 4 known substitutes for 5310-01-203-0247: 4320-00-738-4035, 3110-01-076-6431, 5130-01-128-2621 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 111139: Thread Direction: RIGHT-HAND; Special Features: TWO THD HOLES ON DRIVE SIDE; Thread Series: UNF; Nut Style: ROUND. 13 total characteristics are documented in the Federal Logistics Information System.