The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-525-8917, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-525-8917 |
| Primary Part Number | B93559-012-010 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| B93559-012-010 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| B93559-012-010 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-525-8917 is a Back-Up Ring,preformed Packing, manufactured by Moog Military Aircraft Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-525-8917 has 1 manufacturer part number on file: B93559-012-010 (Moog Military Aircraft Llc).
Key specifications for B93559-012-010: Criticality Code Justification: AGAV; Special Features: USED ON 1680-01-515-4991 HYDRAULIC MOTOR ASSEMBLY; End Item Identification: F-18 E/F FIGHTER ACFT. 1 specification is 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.