The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-674-4336, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-674-4336 |
| Primary Part Number | MGC-R8U |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Collar Inside Diameter | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Collar Outside Diameter | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| MGC-R8U PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5320-01-674-4336 is a Collar,pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-674-4336 has 1 manufacturer part number on file: MGC-R8U (Howmet Global Fastening Systems Inc).
Key specifications for MGC-R8U: Collar Inside Diameter: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Collar Outside Diameter: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Special Features: SHANK DIAMETER OF 0.395-0.405 INCHES; LOCK PIN DIAMETER OF 1/4 INCH; STANDARD FLANGE STYLE; LOCK BOLT COLLAR TYPE IN; Part Name Assigned by Controlling Agency: HUCK MAGNA-GRIP COLLAR. 3 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.