The Packing,preformed, cataloged under National Stock Number 5330-01-525-1040, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ernst, John C & Co, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-525-1040 |
| Primary Part Number | P450 025GF |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ernst, John C & Co, Inc. |
| Status | ACTIVE |
| Material Document and Classification | GRAFOIL MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Material | GRAPHITE OVERALL |
| 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 |
|---|---|
| P450 025GF PRIMARY | Ernst, John C & Co, Inc. (USA) |
| P450-05SWSSR-25 | Ernst, John C & Co, Inc. (USA) |
NSN 5330-01-525-1040 is a Packing,preformed, manufactured by Ernst, John C & Co, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-525-1040 has 2 manufacturer part numbers on file: P450 025GF (Ernst, John C & Co, Inc.), P450-05SWSSR-25 (Ernst, John C & Co, Inc.).
Key specifications for P450 025GF: Material Document and Classification: GRAFOIL MFR REF SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: STEM PACKING; End Item Identification: FLAT GLASS GAGE VALVE; Material: GRAPHITE OVERALL. 2 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.