The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-491-6660, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-491-6660 |
| Primary Part Number | 386B203010 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Nut Style | HEXAGON |
| Material | PLASTIC LOCKING INSERT |
| Nominal Thread Size | 0.625 INCHES IN |
| Thread Quantity Per Inch | 11 |
| Bearing Surface Type | CHAMFERED |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL NUT |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Nut Height | 0.750 INCHES NOMINAL IN |
| Width Across Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 386B203 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 386B203010 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
NSN 5310-01-491-6660 is a Nut,self-Locking,hexagon, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-491-6660 has 2 cross-referenced part numbers: 386B203 (Northrop Grumman Systems Corporation Div Marine Systems), 386B203010 (Northrop Grumman Systems Corporation Div Marine Systems).
There is 1 known substitute for 5310-01-491-6660: 5310-01-055-3840. Verify interchangeability with system specifications before substitution.
Key specifications for 386B203010: Nut Style: HEXAGON; Material: PLASTIC LOCKING INSERT; Nominal Thread Size: 0.625 INCHES IN; Thread Quantity Per Inch: 11. 12 total characteristics are documented in the Federal Logistics Information System.