The Pin-Rivet, cataloged under National Stock Number 5320-01-541-5220, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-541-5220 |
| Primary Part Number | 3M1245V4-5A |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 0.663 INCHES NOMINAL IN |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.313 INCHES NOMINAL IN |
| Width Between Flats | 0.132 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 3M1245V4-5A PRIMARY | West Coast Aerospace, Inc. (USA) |
| 3M1245V4-5A | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| WC1245V8-5 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| 3M1245V4-5A | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| EL3201NC8-5A | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5320-01-541-5220 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-541-5220 has 2 manufacturer part numbers on file: 3M1245V4-5A (West Coast Aerospace, Inc.), 3M1245V4-5A (Howmet Global Fastening Systems Inc).
Key specifications for 3M1245V4-5A: Shank Diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 0.663 INCHES NOMINAL IN; Head Style: FLUSH COUNTERSUNK. 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.