The O-Ring, cataloged under National Stock Number 5331-01-355-6726, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ametek, Inc. Dba Pmt Products Div Pmt Products. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ametek, Inc. Dba Pmt Products Div Pmt Products (CAGE 65048); Vaf Instruments B.v. (CAGE H2293) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-355-6726 |
| Primary Part Number | FIG.55 ITEM 18 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ametek, Inc. Dba Pmt Products Div Pmt Products |
| 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 |
|---|---|
| FIG.55 ITEM 18 PRIMARY | Ametek, Inc. Dba Pmt Products Div Pmt Products (USA) |
| G6076681 | Vaf Instruments B.v. (NLD) |
| Reference | Meaning |
|---|---|
| FIG.55 ITEM 18 | 5/9 Secondary reference Sonneveld Group B.v. |
NSN 5331-01-355-6726 is a O-Ring, manufactured by Ametek, Inc. Dba Pmt Products Div Pmt Products, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-355-6726 has 2 manufacturer part numbers on file: FIG.55 ITEM 18 (Ametek, Inc. Dba Pmt Products Div Pmt Products), G6076681 (Vaf Instruments B.v.).
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.