The Retainer Ring,seal, cataloged under National Stock Number 5365-01-064-5579, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-064-5579 |
| Primary Part Number | SB1555-201 |
| Item Name | Retainer Ring,seal |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| General Characteristics Item Description | RETAINER RING OF MACHINED PHENOLIC; 15.1562 IN. OUTSIDE DIAMETER; 14.6562 IN. INSIDE DIAMETER; 0.0938 THICK; WITH ATTACHED SEAL OF SYNTHETIC RUBBER; 15.1562 OUTSIDE DIAMETER; 14.3438 INSIDE DIAMETER; 0.0156 THICK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SB1555-201 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| Y224PWI-C1 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 5365-01-064-5579 is a Retainer Ring,seal, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-064-5579 has 1 manufacturer part number on file: SB1555-201 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SB1555-201: General Characteristics Item Description: RETAINER RING OF MACHINED PHENOLIC; 15.1562 IN. OUTSIDE DIAMETER; 14.6562 IN. INSIDE DIAMETER; 0.0938 THICK; WITH ATTACHED SEAL OF SYNTHETIC RUBBER; 15.1562 OUTSIDE DIAMETER; 14.3438 INSIDE DIAMETER; 0.0156 THICK IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.