The Pin-Rivet, cataloged under National Stock Number 5320-01-451-7993, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-451-7993 |
| Primary Part Number | 3M1246C4-12A |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Style | FLUSH COUNTERSUNK |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| 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 |
|---|---|
| EL1401NC8-12A | Howmet Global Fastening Systems Inc (USA) |
| 3M1246C4-12A PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| EL1401NC8-12A | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-451-7993 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-451-7993 has 2 manufacturer part numbers on file: EL1401NC8-12A (Howmet Global Fastening Systems Inc), 3M1246C4-12A (The Boeing Company Div Defense).
Key specifications for 3M1246C4-12A: Head Style: FLUSH COUNTERSUNK; Shank Style: PIN-RIVET, STRAIGHT, THREADED; End Item Identification: W/S:AIRCRAFT, HORNET F/A-18. 2 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.