The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-690-8940, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John G Papailias Co Inc Dba J G Papailias. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | John G Papailias Co Inc Dba J G Papailias (CAGE 1Z740) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-690-8940 |
| Primary Part Number | B208 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John G Papailias Co Inc Dba J G Papailias |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B208 PRIMARY | John G Papailias Co Inc Dba J G Papailias (USA) |
| Reference | Meaning |
|---|---|
| 202 REV D SYM 13 | D/9 Drawing number reference only John G Papailias Co Inc Dba J G Papailias |
NSN 5330-01-690-8940 is a Back-Up Ring,preformed Packing, manufactured by John G Papailias Co Inc Dba J G Papailias, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-690-8940 has 1 manufacturer part number on file: B208 (John G Papailias Co Inc Dba J G Papailias).
Possible hazard — SDS may be required (DLA HMIC P). 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.