The O-Ring, cataloged under National Stock Number 5331-01-303-5383, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Floworks Usa Lp Dba Flotech Div Jacksonville. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Floworks Usa Lp Dba Flotech Div Jacksonville (CAGE 62650) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-303-5383 |
| Primary Part Number | N40645SS PIECE 7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Floworks Usa Lp Dba Flotech Div Jacksonville |
| 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 |
|---|---|
| N40645SS PIECE 7 PRIMARY | Floworks Usa Lp Dba Flotech Div Jacksonville (USA) |
| Reference | Meaning |
|---|---|
| 1186 6IN PIECE 7 | 5/9 Secondary reference Floworks Usa Lp Dba Flotech Div Jacksonville |
NSN 5331-01-303-5383 is a O-Ring, manufactured by Floworks Usa Lp Dba Flotech Div Jacksonville, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-303-5383 has 1 manufacturer part number on file: N40645SS PIECE 7 (Floworks Usa Lp Dba Flotech Div Jacksonville).
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.