The Nut Spacer,plate, cataloged under National Stock Number 5310-01-239-9416, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 15653); The Boeing Company Div Defense (CAGE 76301); Bristol Industries, Llc (CAGE 27238) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-239-9416 |
| Primary Part Number | ST3M443-3D |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| ST3M443-3D | Howmet Global Fastening Systems Inc (USA) |
| ST3M443-3D PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M443-3D | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10110196 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| BFN443-3RT | 5/9 Secondary reference Bristol Industries, Llc |
| F18421-0 | 5/9 Secondary reference U.S. Government activity |
| F49249-3FB | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| NS202041-048 | 5/9 Secondary reference U.S. Government activity |
| NS202041-1-048 | 5/9 Secondary reference U.S. Government activity |
| ST3M443-3D | 5/2 Secondary reference U.S. Government activity |
| F18421-0 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-239-9416 is a Nut Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-239-9416 has 3 manufacturer part numbers on file: ST3M443-3D (Howmet Global Fastening Systems Inc), ST3M443-3D (The Boeing Company Div Defense), ST3M443-3D (Bristol Industries, Llc).
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.