The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-044-2270, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Coleman Company, the Dba Metro Crown International. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-044-2270 |
| Primary Part Number | 268-21 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | American Coleman Company, the Dba Metro Crown International |
| Status | ACTIVE |
| Material | STEEL COMP 1045 OVERALL |
| Bearing Surface Type | WASHER FACED |
| Countersink Angle | 120.0 DEGREES NOMINAL NUT |
| Thread Series | UNEF |
| Nominal Thread Size | 1.250 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Thread Class | 2B |
| Nut Height | 0.625 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-044-2270 is a Nut,plain,hexagon, manufactured by American Coleman Company, the Dba Metro Crown International, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-044-2270 has 2 cross-referenced part numbers: 268-21 (American Coleman Company, the Dba Metro Crown International), 268-21 (Ottawa Truck Inc Div Cargotec Solutions Llc - Kalmar Americas Region).
There are 4 known substitutes for 5310-01-044-2270: 5935-00-329-5044, 5136-00-403-5552, 4810-01-571-3864 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 268-21: Material: STEEL COMP 1045 OVERALL; Bearing Surface Type: WASHER FACED; Countersink Angle: 120.0 DEGREES NOMINAL NUT; Thread Series: UNEF. 11 total characteristics are documented in the Federal Logistics Information System.