The Ring,wiper, cataloged under National Stock Number 5330-01-023-6974, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps). Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-023-6974 |
| Primary Part Number | 959-53 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) |
| Status | ACTIVE |
| Outer Edge Thickness | 0.172 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 6.496 INCHES NOMINAL IN |
| Material Thickness | 0.234 INCHES NOMINAL IN |
| Inside Diameter | 6.000 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 |
NSN 5330-01-023-6974 is a Ring,wiper, manufactured by Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps), classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-023-6974 has 2 manufacturer part numbers on file: A32914-3 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 959-53 (Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-309-1591, 7910-01-715-7388. Verify interchangeability with system specifications before substitution.
Key specifications for 959-53: Outer Edge Thickness: 0.172 INCHES NOMINAL IN; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE; Outside Diameter: 6.496 INCHES NOMINAL IN; Material Thickness: 0.234 INCHES NOMINAL IN. 7 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.