The Gasket, cataloged under National Stock Number 5330-01-528-7101, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Vsp Tech, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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 | 5330-01-528-7101 |
| Primary Part Number | GZOP23125SS125005TNAVY |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Vsp Tech, Inc. |
| Status | ACTIVE |
| FSC Application Data | 0.500 INCH 250 PSI NAVY FLAT FACE FLANGE IN |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | GARLOCK GRAPH-LOCK 3125SS MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Bolt Hole Quantity | 3 |
| Bolt Circle Diameter | 2.438 INCHES NOMINAL IN |
| Material | GRAPHITE AND STEEL COMP 316 OVERALL |
| Hole Diameter | 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| GZOP23125SS125005TNAVY PRIMARY | Vsp Tech, Inc. (USA) |
NSN 5330-01-528-7101 is a Gasket, manufactured by Vsp Tech, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-528-7101 has 1 manufacturer part number on file: GZOP23125SS125005TNAVY (Vsp Tech, Inc.).
Key specifications for GZOP23125SS125005TNAVY: FSC Application Data: 0.500 INCH 250 PSI NAVY FLAT FACE FLANGE IN; Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Material Document and Classification: GARLOCK GRAPH-LOCK 3125SS MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 8 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.