The Nut Assembly,retainer Ring, cataloged under National Stock Number 5310-01-645-5066, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-645-5066 |
| Primary Part Number | ST3M543N8A2F1 |
| Item Name | Nut Assembly,retainer Ring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BGC543N8-1-2 | Bristol Industries, Llc (USA) |
| ST3M543N8A2F1 PRIMARY | The Boeing Company Div Defense (USA) |
| G50063-3-1F8-2 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| C171-3-2-8-2 | 5/2 Secondary reference U.S. Government activity |
| G50063-3-2-8-2 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5310-01-645-5066 is a Nut Assembly,retainer Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-645-5066 has 3 manufacturer part numbers on file: BGC543N8-1-2 (Bristol Industries, Llc), ST3M543N8A2F1 (The Boeing Company Div Defense), G50063-3-1F8-2 (Howmet Global Fastening Systems Inc).
Key specifications for ST3M543N8A2F1: End Item Identification: F-18 AIRCRAFT. 0 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.
NSN 5310-01-645-5066 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.