The Nut,plain,octagon, cataloged under National Stock Number 5310-01-271-2467, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-271-2467 |
| Primary Part Number | 1227-D-1356 |
| Item Name | Nut,plain,octagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Width Across Flats | 4.880 INCHES NOMINAL IN |
| Thread Series | UN |
| Material Document and Classification | SAE1015 ASSN STD 1ST MATERIAL RESPONSE OR SAE1018 ASSN STD 2ND MATERIAL RESPONSE OR SAE1020 ASSN STD 3RD MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.250 INCHES IN |
| Nut Height | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Nut Style | PLAIN, OCTAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 NUT |
| Bearing Surface Type | CHAMFERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1227-D-1356 | Meritor Industrial Products, Llc (USA) |
| 1227-D-1356 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1227-D-1356-S | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 5310-01-271-2467 is a Nut,plain,octagon, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-271-2467 has 2 manufacturer part numbers on file: 1227-D-1356 (Meritor Industrial Products, Llc), 1227-D-1356 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 1227-D-1356: Width Across Flats: 4.880 INCHES NOMINAL IN; Thread Series: UN; Material Document and Classification: SAE1015 ASSN STD 1ST MATERIAL RESPONSE OR SAE1018 ASSN STD 2ND MATERIAL RESPONSE OR SAE1020 ASSN STD 3RD MATERIAL RESPONSE NUT; Thread Direction: RIGHT-HAND. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.