The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-449-6431, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 3A054) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-449-6431 |
| Primary Part Number | 90715A125 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 90715A125 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| D-WK-788-53 PC 20 | 3/2 Design control — primary reference U.S. Government activity |
| D-WK-788-53 PC 20 | 3/9 Design control — primary reference Walz and Krenzer Inc |
| 001-010382R00 | 5/9 Secondary reference Insitu, Inc. |
NSN 5310-01-449-6431 is a Nut,plain,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-449-6431 has 1 manufacturer part number on file: 90715A125 (Mcmaster-Carr Supply Co).
3 possible matches (shared part number, not a government interchangeability claim): 5999-01-504-4702, 5310-01-504-5702, 5310-01-694-5073. Verify interchangeability with system specifications before substitution.
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.