The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-227-7989, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-227-7989 |
| Primary Part Number | 43N6870 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Size | 0.250 INCHES IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Nut Height | 0.203 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857TYPE2STYLEA0RBGRADE1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| FFB571TYPEA2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 43N6870 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MILB857TYPEACLASSC | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-227-7989 is a Nut,plain,hexagon, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-227-7989 has 4 cross-referenced part numbers: MILB857TYPE2STYLEA0RBGRADE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FFB571TYPEA2 (Federal Specifications Promulgated by General Services Administration Washington DC), 43N6870 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MILB857TYPEACLASSC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5310-00-227-7989: 5310-00-010-2634, 5310-00-057-1242, 5310-00-079-5995 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 43N6870: Thread Quantity Per Inch: 20; Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Series: UNIFIED NATIONAL COARSE (UNC). 10 total characteristics are documented in the Federal Logistics Information System.