The Ring,wiper, cataloged under National Stock Number 5330-00-042-7242, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-042-7242 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | CYLINDER ASSEMBLY,LINEAR ACTUATING |
| Outer Edge Thickness | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | OUTSIDE GROOVED AND BEVELED, STRAIGHT FACE |
| Outside Diameter | 3.163 INCHES NOMINAL IN |
| Material Thickness | 0.443 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Inside Diameter | 2.625 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7580-21081 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-00-042-7242 is a Ring,wiper, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-00-755-6583. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-042-7242: FSC Application Data: CYLINDER ASSEMBLY,LINEAR ACTUATING; Outer Edge Thickness: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Cross-Sectional Shape Style: OUTSIDE GROOVED AND BEVELED, STRAIGHT FACE; Outside Diameter: 3.163 INCHES NOMINAL IN. 8 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.