The O-Ring, cataloged under National Stock Number 5331-01-304-9276, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caro, Inc. Dba South Bend Lathe. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Caro, Inc. Dba South Bend Lathe (CAGE 55985) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-304-9276 |
| Primary Part Number | 193 X 22 ITEM 1 FORM 2028B |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Caro, Inc. Dba South Bend Lathe |
| 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 |
|---|---|
| 193 X 22 ITEM 1 FORM 2028B PRIMARY | Caro, Inc. Dba South Bend Lathe (USA) |
| Reference | Meaning |
|---|---|
| 193 X 22 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Caro, Inc. Dba South Bend Lathe |
NSN 5331-01-304-9276 is a O-Ring, manufactured by Caro, Inc. Dba South Bend Lathe, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-304-9276 has 1 manufacturer part number on file: 193 X 22 ITEM 1 FORM 2028B (Caro, Inc. Dba South Bend Lathe).
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.