The Ring,wiper, cataloged under National Stock Number 5330-01-155-9689, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Seal Science, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-155-9689 |
| Primary Part Number | R91-605 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Seal Science, Inc. |
| Status | ACTIVE |
| Outer Edge Thickness | 0.125 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 0.500 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 |
| Part Number | Manufacturer |
|---|---|
| R91-605 PRIMARY | Seal Science, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7566157-001 | 7/2 Vendor item drawing reference General Dynamics Land Systems Inc. |
NSN 5330-01-155-9689 is a Ring,wiper, manufactured by Seal Science, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-155-9689 has 1 manufacturer part number on file: R91-605 (Seal Science, Inc.).
Key specifications for R91-605: Outer Edge Thickness: 0.125 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 0.750 INCHES NOMINAL IN; Material Thickness: 0.250 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.