The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-452-0412, 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. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-452-0412 |
| Primary Part Number | ST3M543N10A12-4 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 12 |
| Channel Height | 0.250 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.454 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Nut Spacing | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Channel Style | STRAIGHT TYPE |
| Removable Nut Manufacturer Code | 76301 |
| 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 |
|---|---|
| G50063-3-4-10-12 | Howmet Global Fastening Systems Inc (USA) |
| ST3M543N10A12-4 PRIMARY | The Boeing Company Div Defense (USA) |
| BGC543N10-4-12 | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| C171-3-4-10-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-452-0412 is a Nut Assembly,self-Locking,gang C, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-452-0412 has 3 manufacturer part numbers on file: G50063-3-4-10-12 (Howmet Global Fastening Systems Inc), ST3M543N10A12-4 (The Boeing Company Div Defense), BGC543N10-4-12 (Bristol Industries, Llc).
Key specifications for ST3M543N10A12-4: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 12; Overall Length: 72.000 INCHES NOMINAL IN; Overall Width: 0.452 INCHES MAXIMUM IN. 14 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.