The Ring,wiper, cataloged under National Stock Number 5330-01-077-2013, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-077-2013 |
| Primary Part Number | ST7M335-3 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | ACFT HYDRAULIC SYSTEM |
| Outer Edge Thickness | 0.115 INCHES NOMINAL IN |
| Special Test Features | TESTED PER ST7M335 |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | OUTSIDE GROOVED AND BEVELED, STRAIGHT FACE |
| Outside Diameter | 0.871 INCHES NOMINAL IN |
| Material Thickness | 0.190 INCHES NOMINAL IN |
| Inside Diameter | 0.623 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 |
|---|---|
| ST7M335-3 | The Boeing Company Div Defense (USA) |
| S30396-3 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S30396-3 | 3/9 Design control — primary reference U.S. Government activity |
| 10119598 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5330-01-077-2013 is a Ring,wiper, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-077-2013 has 2 manufacturer part numbers on file: ST7M335-3 (The Boeing Company Div Defense), S30396-3 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for ST7M335-3: FSC Application Data: ACFT HYDRAULIC SYSTEM; Outer Edge Thickness: 0.115 INCHES NOMINAL IN; Special Test Features: TESTED PER ST7M335; Material Document and Classification: UNABLE TO DECODE. 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.