The Packing,ring, cataloged under National Stock Number 5330-01-057-8047, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Harper Packing Sales and Engineering, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Packing,ring |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Harper Packing Sales and Engineering, Inc (CAGE 61568); Aavolyn Corp (CAGE 06MM3) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-057-8047 |
| Primary Part Number | 53-26021-004 |
| Item Name | Packing,ring |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Harper Packing Sales and Engineering, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 53-26021-004 | Harper Packing Sales and Engineering, Inc (USA) |
| P/N 53-26021-004 | Aavolyn Corp (USA) |
| Reference | Meaning |
|---|---|
| 5330PL1253731 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| R62878 | 5/9 Secondary reference U.S. Government activity |
| R62878 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| R62878 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 37416047 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-057-8047 is a Packing,ring, manufactured by Harper Packing Sales and Engineering, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-057-8047 has 2 manufacturer part numbers on file: 53-26021-004 (Harper Packing Sales and Engineering, Inc), P/N 53-26021-004 (Aavolyn Corp).
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.