The Spacer,sleeve, cataloged under National Stock Number 5365-00-798-9031, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Parts & Aerostructures Limited Div Field Aviation. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-798-9031 |
| Primary Part Number | C4CM1228-1 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | De Havilland Parts & Aerostructures Limited Div Field Aviation |
| Status | ACTIVE |
| Corner Shape | ROUND CENTER FLANGE RIGHT BODY CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE CENTER FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE CENTER FLANGE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | ROUND CENTER FLANGE LEFT BODY CORNER |
| Left End Body Diameter | 0.4380 INCHES NOMINAL IN |
| Flange Outside Diameter | 0.7500 INCHES NOMINAL IN |
| End to Flange Distance | 0.0620 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Right End Body Diameter | 0.4380 INCHES NOMINAL IN |
| Flange Width | 0.0230 INCHES NOMINAL 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 |
|---|---|
| C4CM1228-1 PRIMARY | De Havilland Parts & Aerostructures Limited Div Field Aviation (CAN) |
| Reference | Meaning |
|---|---|
| C4CM1228-1 | 5/9 Secondary reference De Havilland Aircraft of Canada Limited |
| CRCM1228-1 | 5/9 Secondary reference De Havilland Aircraft of Canada Limited |
NSN 5365-00-798-9031 is a Spacer,sleeve, manufactured by De Havilland Parts & Aerostructures Limited Div Field Aviation, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-798-9031 has 1 manufacturer part number on file: C4CM1228-1 (De Havilland Parts & Aerostructures Limited Div Field Aviation).
Key specifications for C4CM1228-1: Corner Shape: ROUND CENTER FLANGE RIGHT BODY CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE CENTER FLANGE OUTSIDE RIGHT CORNER. 16 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.