The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-657-9659, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Flexitallic Us, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Flexitallic Us, Llc (CAGE 58156); R-Way Gasket & Supply Co Inc (CAGE 5S153) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-657-9659 |
| Primary Part Number | 342-7107961-F125 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Flexitallic Us, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 342-7107961-F125 PRIMARY | Flexitallic Us, Llc (USA) |
| 342-7107961-F125 | R-Way Gasket & Supply Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 218100854 | 5/2 Secondary reference U.S. Government activity |
| ERH774-1417A68-9 | 5/2 Secondary reference U.S. Government activity |
| 342-7107961-F125 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5330-01-657-9659 is a Gasket,spiral Wound, manufactured by Flexitallic Us, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-657-9659 has 2 manufacturer part numbers on file: 342-7107961-F125 (Flexitallic Us, Llc), 342-7107961-F125 (R-Way Gasket & Supply Co Inc).
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.