The Ring,wiper, cataloged under National Stock Number 5330-00-007-9779, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-007-9779 |
| Primary Part Number | A51H40516-11 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC SYSTEM AIRCRAFT |
| Outer Edge Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 1.547 INCHES MINIMUM AND 1.552 INCHES MAXIMUM IN |
| Material Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Inside Diameter | 1.275 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | UNABLE TO DECODE |
| 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 |
|---|---|
| A51H40516-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51H40516-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51H40516-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5330-00-007-9779 is a Ring,wiper, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-007-9779 has 1 manufacturer part number on file: A51H40516-11 (Northrop Grumman Systems Corporation).
Key specifications for A51H40516-11: FSC Application Data: HYDRAULIC SYSTEM AIRCRAFT; Outer Edge Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 1.547 INCHES MINIMUM AND 1.552 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.