The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-266-0377, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-266-0377 |
| Primary Part Number | 18277R1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ |
| Status | ACTIVE |
| Thread Direction | LEFT-HAND |
| Bearing Surface Type | WASHER FACED |
| Thread Quantity Per Inch | 13 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.500 INCHES IN |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | A2 TYPE AND C CLASS |
| Nut Style | HEXAGON |
| Nut Height | 0.402 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Width Across Flats | 0.7880 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18277R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 18277R1 | Navistar International Corporation Dba Navistar (USA) |
| 18277R1 | International Harvester Co Agricultural Equipment Div (USA) |
| FFB571TYPEA2CLASSC | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5310-00-266-0377 is a Nut,plain,hexagon, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-266-0377 has 4 cross-referenced part numbers: 18277R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 18277R1 (Navistar International Corporation Dba Navistar), 18277R1 (International Harvester Co Agricultural Equipment Div), FFB571TYPEA2CLASSC (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 5 known substitutes for 5310-00-266-0377: 5310-00-265-9217, 5310-00-265-9221, 5310-00-265-9222 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18277R1: Thread Direction: LEFT-HAND; Bearing Surface Type: WASHER FACED; Thread Quantity Per Inch: 13; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 total characteristics are documented in the Federal Logistics Information System.