The O-Ring, cataloged under National Stock Number 5331-01-497-8721, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Meritor Industrial Products, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Meritor Industrial Products, Llc (CAGE 3D6E9); Meritor Heavy Vehicle Systems, Llc (CAGE 78500); Cadillac Gage Textron Inc. (CAGE 10237) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-497-8721 |
| Primary Part Number | 3780-T-150 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Meritor Industrial Products, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3780-T-150 PRIMARY | Meritor Industrial Products, Llc (USA) |
| 3780-T-150 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 217218-3 | Cadillac Gage Textron Inc. (USA) |
NSN 5331-01-497-8721 is a O-Ring, manufactured by Meritor Industrial Products, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-497-8721 has 3 manufacturer part numbers on file: 3780-T-150 (Meritor Industrial Products, Llc), 3780-T-150 (Meritor Heavy Vehicle Systems, Llc), 217218-3 (Cadillac Gage Textron Inc.).
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.