The Seal Set,aircraft,m, cataloged under National Stock Number 5331-01-543-7659, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Polymod Technologies, Inc. Dba Polymod Technologies Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Seal Set,aircraft,m |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Polymod Technologies, Inc. Dba Polymod Technologies Inc (CAGE 0YNK4) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-543-7659 |
| Primary Part Number | S01291 |
| Item Name | Seal Set,aircraft,m |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Polymod Technologies, Inc. Dba Polymod Technologies Inc |
| 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 |
|---|---|
| S01291 PRIMARY | Polymod Technologies, Inc. Dba Polymod Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| S01267 | 5/9 Secondary reference Polymod Technologies, Inc. Dba Polymod Technologies Inc |
NSN 5331-01-543-7659 is a Seal Set,aircraft,m, manufactured by Polymod Technologies, Inc. Dba Polymod Technologies Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-543-7659 has 1 manufacturer part number on file: S01291 (Polymod Technologies, Inc. Dba Polymod Technologies Inc).
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.