The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-377-3330, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is R-Way Gasket & Supply Co Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-377-3330 |
| Primary Part Number | 54-30-0070A |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | R-Way Gasket & Supply Co Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-G-24716, TY 2, CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING |
| Outside Diameter | 20.71875 INCHES NOMINAL20.71875 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 23.500 INCHES NOMINAL23.500 INCHES NOMINAL IN |
| Aperture Diameter | 18.500 INCHES NOMINAL18.500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 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 |
|---|---|
| 54-30-0070A PRIMARY | R-Way Gasket & Supply Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 54-30-0070A | 5/2 Secondary reference U.S. Government activity |
| 300-4684428 ITEM 0067 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-377-3330 is a Gasket,spiral Wound, manufactured by R-Way Gasket & Supply Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-377-3330 has 1 manufacturer part number on file: 54-30-0070A (R-Way Gasket & Supply Co Inc).
Key specifications for 54-30-0070A: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Gage Ring Thickness: 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-G-24716, TY 2, CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.