The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-603-1890, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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 | 5310-01-603-1890 |
| Primary Part Number | 91845A030 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nut Style | HEXAGON |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.265 INCHES NOMINAL IN |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1005476 | Eos Defence Systems Pty Limited (AUS) |
| 1686 | Bolts Galore (AUS) |
| 21677-1060-013 | Electro Optic Systems Pty Ltd (AUS) |
| 1686 | Specfast Specialty Fasteners Pty Ltd (AUS) |
| 91845A030 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| 1686 | James Glen Pty Ltd (AUS) |
| 91845A030 | Thales Australia - Bendigo Land & Joint Systems (AUS) |
NSN 5310-01-603-1890 is a Nut,plain,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-603-1890 has 7 cross-referenced part numbers: 1005476 (Eos Defence Systems Pty Limited), 1686 (Bolts Galore), 21677-1060-013 (Electro Optic Systems Pty Ltd), 1686 (Specfast Specialty Fasteners Pty Ltd), 91845A030 (Mcmaster-Carr Supply Co) and 2 more.
There are 11 known substitutes for 5310-01-603-1890: 5935-00-053-9454, 5305-00-121-7771, 5995-00-379-0147 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 91845A030: Material: STEEL CORROSION RESISTING OVERALL; Nut Style: HEXAGON; Nominal Thread Size: 0.312 INCHES IN; Thread Class: 2B. 11 total characteristics are documented in the Federal Logistics Information System.