The Ring,wiper, cataloged under National Stock Number 5330-00-640-8536, 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10 specifications, cited from the U.S. Government catalog. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-640-8536 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC SYSTEM,ACFT |
| Outer Edge Thickness | 0.141 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 7.469 INCHES NOMINAL IN |
| Joint Style | DIAGONAL JOINT |
| Material Thickness | 0.172 INCHES NOMINAL IN |
| Inside Diameter | 7.000 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Test Data Document | 81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| 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 |
|---|---|
| AN6231-A57 | 5/9 Secondary reference U.S. Government activity |
| G-57 | 5/9 Secondary reference Gayle George W and Son |
| ISR-57 | 5/9 Secondary reference U.S. Government activity |
| GI 1171-57 | 5/1 Secondary reference U.S. Government activity |
| MS28776M2-57 | 2/2 Government specification standardization U.S. Government activity |
| DRI-57 | 5/9 Secondary reference Delta Mfg and Sales Inc |
| MIL-R-5049 | 4/1 Identification reference U.S. Government activity |
| FWR-3C-57 | 5/9 Secondary reference U.S. Government activity |
| OAS-57 | 5/9 Secondary reference Greene Tweed and Co Advantec Div |
| MIL-S-5049 | 5/9 Secondary reference U.S. Government activity |
| SRC-57 | 5/1 Secondary reference Scrapper Rings Co Div of Roberts Tool Co |
| AN6231-57 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-640-8536 is a Ring,wiper, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6645-00-896-4838, 6230-01-178-9039. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-640-8536: FSC Application Data: HYDRAULIC SYSTEM,ACFT; Outer Edge Thickness: 0.141 INCHES NOMINAL IN; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE; Outside Diameter: 7.469 INCHES NOMINAL IN. 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.