The O-Ring, cataloged under National Stock Number 5331-01-559-5863, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Tapflo Ab. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-559-5863 |
| Primary Part Number | TX70-ATS ITEM 47 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tapflo Ab |
| 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 |
|---|---|
| TX70-ATS ITEM 47 PRIMARY | Tapflo Ab (SWE) |
| Reference | Meaning |
|---|---|
| TX70-ATS ITEM 47 | 3/9 Design control — primary reference Svenska Tapflo Ab |
NSN 5331-01-559-5863 is a O-Ring, manufactured by Tapflo Ab, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-559-5863 has 1 manufacturer part number on file: TX70-ATS ITEM 47 (Tapflo Ab).
Key specifications for TX70-ATS ITEM 47: Part Name Assigned by Controlling Agency: CENTER BLOCK SEAL BACK-UP O-RING; End Item Identification: STAINLESS STEEL DIAPHRAGM PUMP;SEAWOLF CLASS SSN. 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.