The Spacer,sleeve, cataloged under National Stock Number 5365-01-285-4057, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 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. Current acquisition status: Active.
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-285-4057 |
| Primary Part Number | 1W6906 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Body Outside Diameter | 45.77 MILLIMETERS MINIMUM AND 46.27 MILLIMETERS MAXIMUM MM |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 26.5 MILLIMETERS MINIMUM AND 27.5 MILLIMETERS MAXIMUM MM |
| Material | STEEL COMP 1144 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 |
|---|---|
| 1W6906 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5365-01-285-4057 is a Spacer,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-285-4057 has 1 manufacturer part number on file: 1W6906 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1W6906: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER; Corner Shape: CHAMFERED OUTSIDE LEFT CORNER; Body Outside Diameter: 45.77 MILLIMETERS MINIMUM AND 46.27 MILLIMETERS MAXIMUM MM. 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.