The O-Ring, cataloged under National Stock Number 5331-01-526-3606, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ovc-Engineered Solutions 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-526-3606 |
| Primary Part Number | 10540577 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ovc-Engineered Solutions 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 |
|---|---|
| 843-08019-004 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 10540577 PRIMARY | Ovc-Engineered Solutions Llc (USA) |
| Reference | Meaning |
|---|---|
| 843-08019-004 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 10540577 | 5/9 Secondary reference Memtec America Corp Filterite Sales Div |
NSN 5331-01-526-3606 is a O-Ring, manufactured by Ovc-Engineered Solutions Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-526-3606 has 2 manufacturer part numbers on file: 843-08019-004 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 10540577 (Ovc-Engineered Solutions Llc).
Key specifications for 10540577: End Item Identification: TACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656. 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.