The O-Ring, cataloged under National Stock Number 5331-01-663-4658, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Chase Supply, Inc. Dba Chase Defense Partners. Government technical data includes 1 specification, 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 | 5331-01-663-4658 |
| Primary Part Number | 4010-231V7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Chase Supply, Inc. Dba Chase Defense Partners |
| Status | ACTIVE |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| 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 |
|---|---|
| 4010-231V7 PRIMARY | Chase Supply, Inc. Dba Chase Defense Partners (USA) |
NSN 5331-01-663-4658 is a O-Ring, manufactured by Chase Supply, Inc. Dba Chase Defense Partners, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-663-4658 has 1 manufacturer part number on file: 4010-231V7 (Chase Supply, Inc. Dba Chase Defense Partners).
Key specifications for 4010-231V7: Part Name Assigned by Controlling Agency: HEAD O-RING; End Item Identification: CONSOLE GSE; Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM. 1 specification is 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.