The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-548-5318, 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. Government technical data includes 10 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 | 5330-01-548-5318 |
| Primary Part Number | 0028770340 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Flexitallic Us, Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Bearing Surface Width | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING |
| Outside Diameter | 5.625 INCHES NOMINAL5.625 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN |
| Aperture Diameter | 2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN |
| Material | GRAPHITE INTERMEDIATE RING |
| Material | NICKEL ALLOY INNER RING |
| Material | NICKEL ALLOY OUTER RING |
| 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 |
|---|---|
| 0028770340 PRIMARY | Flexitallic Us, Llc (USA) |
NSN 5330-01-548-5318 is a Gasket,spiral Wound, manufactured by Flexitallic Us, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-548-5318 has 1 manufacturer part number on file: 0028770340 (Flexitallic Us, Llc).
Key specifications for 0028770340: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Style Designator: CIRCULAR; Bearing Surface Width: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING. 10 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.