The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-562-0042, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-562-0042 |
| Primary Part Number | 228072 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| 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 |
|---|---|
| 228072 PRIMARY | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 5330-01-562-0042 is a Back-Up Ring,preformed Packing, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-562-0042 has 1 manufacturer part number on file: 228072 (Allied Systems Company Dba Allied Systems Co).
Key specifications for 228072: End Item Identification: 417 FT NSC (WMSL-750) COAST GUARD VESSELS FT. 0 specifications are documented in the U.S. Government catalog.
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.