The O-Ring, cataloged under National Stock Number 5331-01-644-6311, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd. The record lists 1 manufacturer part number 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 | Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd (CAGE 56951) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-644-6311 |
| Primary Part Number | 0138.18 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd |
| 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 |
|---|---|
| 0138.18 PRIMARY | Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd (USA) |
NSN 5331-01-644-6311 is a O-Ring, manufactured by Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-644-6311 has 1 manufacturer part number on file: 0138.18 (Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd).
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.