The Wiper Ring, cataloged under National Stock Number 4820-00-075-7526, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-075-7526 |
| Item Name | Wiper Ring |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | POLYTETRAFLUOROETHYLENE,5.370 IN.OD BY 4.250 ID BY 0.625 IN.HEIGHT;ONE FACE HAS 34.5 DEG ANGLE,OPPOSITE FACE 6 DEG ANGLE 0.040 IN.DEEP;12 SLOTS ON OUTSIDE EDGE 0.188 IN.WIDE BY 0.093 IN.DEEP,3 SLOTS 15 DEG APART EQUALLY SPACED IN 4 SECTIONS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 36PX002 | 3/9 Design control — primary reference Computer Machining Technology Corp |
NSN 4820-00-075-7526 is a Wiper Ring, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-075-7526: General Characteristics Item Description: POLYTETRAFLUOROETHYLENE,5.370 IN.OD BY 4.250 ID BY 0.625 IN.HEIGHT;ONE FACE HAS 34.5 DEG ANGLE,OPPOSITE FACE 6 DEG ANGLE 0.040 IN.DEEP;12 SLOTS ON OUTSIDE EDGE 0.188 IN.WIDE BY 0.093 IN.DEEP,3 SLOTS 15 DEG APART EQUALLY SPACED IN 4 SECTIONS IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.