The O-Ring, cataloged under National Stock Number 5331-01-593-9765, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fluid Handling Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Fluid Handling Llc (CAGE 6LE50) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-593-9765 |
| Primary Part Number | 3 355 8 03 101 12 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 3 355 8 03 101 12 PRIMARY | Fluid Handling Llc (USA) |
| 5 036 03 009 001 PC. NO. 19 | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 3 355 8 03 101 12 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
| 5 036 03 009 001 PC. NO. 19 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 5331-01-593-9765 is a O-Ring, manufactured by Fluid Handling Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-593-9765 has 2 manufacturer part numbers on file: 3 355 8 03 101 12 (Fluid Handling Llc), 5 036 03 009 001 PC. NO. 19 (Fluid Handling Llc).
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.