The Gasket, cataloged under National Stock Number 5330-01-522-4420, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Portland Valve Llc. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-522-4420 |
| Primary Part Number | 106-0187 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Material | GRAPHITE AND STEEL CORROSION RESISTING 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 |
|---|---|
| 106-0187 PRIMARY | Portland Valve Llc (USA) |
| 506-0017 PC NO 15 | Portland Valve Llc (USA) |
NSN 5330-01-522-4420 is a Gasket, manufactured by Portland Valve Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-522-4420 has 2 manufacturer part numbers on file: 106-0187 (Portland Valve Llc), 506-0017 PC NO 15 (Portland Valve Llc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-631-4016. Verify interchangeability with system specifications before substitution.
Key specifications for 106-0187: Special Features: MATERIAL - GRAFOIL, HOMOGENOUS; Part Name Assigned by Controlling Agency: SEAL,RETAINING RING; End Item Identification: CRES UNS S34700 CAST VALVE, ASSY (3 INCH) IN; Material: GRAPHITE AND STEEL CORROSION RESISTING OVERALL. 1 specification is 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.