The Spacer,sleeve, cataloged under National Stock Number 5365-00-554-1090, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5365-00-554-1090 |
| Primary Part Number | S1640-61483 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 0.9000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.7510 INCHES MINIMUM AND 0.7580 INCHES MAXIMUM IN |
| Flange Width | 0.0580 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| 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 |
|---|---|
| LMC174 | Lyons Manufacturing Company, Inc. (USA) |
| S1640-61483 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 1560H34-195 | 5/2 Secondary reference U.S. Government activity |
| 1560H34-195-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5365-00-554-1090 is a Spacer,sleeve, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-554-1090 has 2 manufacturer part numbers on file: LMC174 (Lyons Manufacturing Company, Inc.), S1640-61483 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S1640-61483: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 0.9000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Body Outside Diameter: 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 8 specifications are 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.