The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-117-4206, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-117-4206 |
| Primary Part Number | 33221327 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Width Across Flats | 0.6795 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Material Document and Classification | BS 1763 NATIONAL SPEC 1ST MATERIAL RESPONSE OR 1963 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Height | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL |
| Bearing Surface Type | WASHER FACED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-117-4206 is a Nut,plain,hexagon, manufactured by Perkins Engines Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-117-4206 has 3 manufacturer part numbers on file: 33221317 (Caterpillar Commercial Services), 33221327 (Perkins Engines Inc), 91638106 (Thales Sa).
Key specifications for 33221327: Width Across Flats: 0.6795 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: BS 1763 NATIONAL SPEC 1ST MATERIAL RESPONSE OR 1963 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 12 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.