The Ring,wiper, cataloged under National Stock Number 5330-00-820-7125, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5330-00-820-7125 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | CANCELLED |
| FSC Application Data | HYDRAULIC SYSTEM,ACFT |
| Outer Edge Thickness | 0.099 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 0.673 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN |
| Joint Style | DIAGONAL JOINT |
| Material Thickness | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Inside Diameter | 2.875 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Material | UNABLE TO DECODE |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| DRI-28 | 5/9 Secondary reference Delta Mfg and Sales Inc |
| SRC-28 | 5/1 Secondary reference Scrapper Rings Co Div of Roberts Tool Co |
| ISR-28 | 5/9 Secondary reference U.S. Government activity |
| 0AS-28 | 5/9 Secondary reference Greene Tweed and Co Advantec Div |
| GI 1171-28 | 5/1 Secondary reference U.S. Government activity |
| G-28 | 5/9 Secondary reference Gayle George W and Son |
| FWR-3C-28 | 5/9 Secondary reference U.S. Government activity |
| AN6231-28 | 5/9 Secondary reference U.S. Government activity |
| AN6231A28 | 5/9 Secondary reference U.S. Government activity |
| MS28776M2-28 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-5049 | 4/1 Identification reference U.S. Government activity |
NSN 5330-00-820-7125 is a Ring,wiper, classified under FSC 5330, Packing and Gasket Materials. Status: cancelled.
7 possible matches (shared part number, not a government interchangeability claim): 4930-01-103-9127, 6210-01-180-6023, 5360-01-312-3706. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-820-7125: FSC Application Data: HYDRAULIC SYSTEM,ACFT; Outer Edge Thickness: 0.099 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Material Document and Classification: UNABLE TO DECODE; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE. 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.
NSN 5330-00-820-7125 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.