The Spacer,sleeve, cataloged under National Stock Number 5365-01-561-7656, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-561-7656 |
| Primary Part Number | 56W4-S118 PC NO 185 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Outside Diameter | 2.5200 INCHES MINIMUM AND 2.5400 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END |
| Body Inside Diameter | 2.1680 INCHES MINIMUM AND 2.1700 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| 56W4-S118 PC NO 185 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 56W4S118 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5365-01-561-7656 is a Spacer,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-561-7656 has 1 manufacturer part number on file: 56W4-S118 PC NO 185 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 5365-01-561-7664, 5365-01-561-7671, 5365-01-561-7735. Verify interchangeability with system specifications before substitution.
Key specifications for 56W4-S118 PC NO 185: Body Outside Diameter: 2.5200 INCHES MINIMUM AND 2.5400 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END; Overall Length: 1.7430 INCHES MINIMUM AND 1.7460 INCHES MAXIMUM IN; Body Inside Diameter: 2.1680 INCHES MINIMUM AND 2.1700 INCHES MAXIMUM IN. 4 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.