The Ring,wiper, cataloged under National Stock Number 5330-01-311-1648, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hader-Seitz Inc. Government technical data includes 3 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 | 5330-01-311-1648 |
| Primary Part Number | 7-204 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hader-Seitz Inc |
| Status | ACTIVE |
| Outside Diameter | 6.500 INCHES NOMINAL IN |
| Material Thickness | 0.122 INCHES NOMINAL IN |
| Inside Diameter | 6.256 INCHES NOMINAL 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 |
|---|---|
| 7-204 PRIMARY | Hader-Seitz Inc (USA) |
NSN 5330-01-311-1648 is a Ring,wiper, manufactured by Hader-Seitz Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-311-1648 has 1 manufacturer part number on file: 7-204 (Hader-Seitz Inc).
Key specifications for 7-204: Outside Diameter: 6.500 INCHES NOMINAL IN; Material Thickness: 0.122 INCHES NOMINAL IN; Inside Diameter: 6.256 INCHES NOMINAL IN. 3 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.