The O-Ring, cataloged under National Stock Number 5331-01-697-5640, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div Village Marine Tech. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-697-5640 |
| Primary Part Number | 30-0543 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div Village Marine Tech |
| 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 |
|---|---|
| 30-0543 PRIMARY | Parker Hannifin Corporation Div Village Marine Tech (USA) |
| Reference | Meaning |
|---|---|
| S9531-DW-MMC-010 7-9 INDEX 5 | C/1 Advisory reference — outside the item-of-supply concept Parker Hannifin Corporation Div Village Marine Tech |
NSN 5331-01-697-5640 is a O-Ring, manufactured by Parker Hannifin Corporation Div Village Marine Tech, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-697-5640 has 1 manufacturer part number on file: 30-0543 (Parker Hannifin Corporation Div Village Marine Tech).
Key specifications for 30-0543: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: REVERSE OSMOSIS UNIT,MODEL 25000. 0 specifications are 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.