The Spacer,stepped, cataloged under National Stock Number 5365-01-127-3531, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-127-3531 |
| Item Name | Spacer,stepped |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| First Right Step Width | 0.060 INCHES NOMINAL IN |
| Body Outside Diameter | 11.500 INCHES MAXIMUM IN |
| Style Designator | STEPPED SPACER |
| Material Document and Classification | QQ-N-281,ALLOY 400,CLASS A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,ALLOY R-405,CLASS B FED SPEC 2ND MATERIAL RESPONSE |
| Body Inside Diameter | 3.500 INCHES MAXIMUM IN |
| First Right Step Outside Diameter | 8.000 INCHES MAXIMUM IN |
| First Right Counterbore Inside Diameter | 4.250 INCHES MAXIMUM IN |
| Second Left Step Outside Diameter | 7.000 INCHES MAXIMUM IN |
| First Right Counterbore Depth | 0.750 INCHES NOMINAL IN |
| Second Left Step Width | 4.870 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 845-4687550 ITEM 28 | 3/2 Design control — primary reference U.S. Government activity |
| 4687550-0028 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-127-3531 is a Spacer,stepped, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-01-127-3531: First Right Step Width: 0.060 INCHES NOMINAL IN; Body Outside Diameter: 11.500 INCHES MAXIMUM IN; Style Designator: STEPPED SPACER; Material Document and Classification: QQ-N-281,ALLOY 400,CLASS A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,ALLOY R-405,CLASS B FED SPEC 2ND MATERIAL RESPONSE. 11 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.