The Ring,wiper, cataloged under National Stock Number 5330-00-702-7637, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-702-7637 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | CATAPULT,HYDRAULIC,AIRCRAFT |
| Outer Edge Thickness | 0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 6.214 INCHES MINIMUM AND 6.219 INCHES MAXIMUM IN |
| Joint Style | DIAGONAL JOINT |
| Material Thickness | 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Inside Diameter | 5.750 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 |
|---|---|
| MS28776R2-51 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-5049 | 4/1 Identification reference U.S. Government activity |
NSN 5330-00-702-7637 is a Ring,wiper, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-702-7637: FSC Application Data: CATAPULT,HYDRAULIC,AIRCRAFT; Outer Edge Thickness: 0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE; Outside Diameter: 6.214 INCHES MINIMUM AND 6.219 INCHES MAXIMUM IN. 9 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.