The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-521-1009, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-521-1009 |
| Primary Part Number | 803-1385637-10X-11 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Material | NICKEL ALLOY OVERALL |
| Thread Series | UN |
| Thread Quantity Per Inch | 8 |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 2.375 INCHES NOMINAL IN |
| Thread Class | 2B |
| Bearing Surface Type | FLAT |
| Nut Style | HEXAGON |
| Nominal Thread Size | 1.500 INCHES IN |
| Nut Height | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | ASTM-B164-2003 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1385637 | Naval Ship Systems Command (USA) |
| 999-78-10-9 | Pima Valve, Llc (USA) |
| 803-1385637-10X-11 PRIMARY | Naval Ship Systems Command (USA) |
| 999-78-10-9 PRIMARY | Hunt Valve Company, Inc. (USA) |
NSN 5310-01-521-1009 is a Nut,plain,hexagon, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-521-1009 has 4 cross-referenced part numbers: 1385637 (Naval Ship Systems Command), 999-78-10-9 (Pima Valve, Llc), 803-1385637-10X-11 (Naval Ship Systems Command), 999-78-10-9 (Hunt Valve Company, Inc.).
There are 11 known substitutes for 5310-01-521-1009: 4820-00-058-3630, 4820-00-878-4325, 4820-01-072-1204 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 803-1385637-10X-11: Material: NICKEL ALLOY OVERALL; Thread Series: UN; Thread Quantity Per Inch: 8; Thread Direction: RIGHT-HAND. 12 total characteristics are documented in the Federal Logistics Information System.