The Shim, cataloged under National Stock Number 5365-01-251-4028, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-251-4028 |
| Primary Part Number | 7-217221402 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Hardness Rating | 28.0 ROCKWELL C MAXIMUM AND 37.0 ROCKWELL C MAXIMUM |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-S-81506 MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 11.938 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 11.125 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7-217221402 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-217221402 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5365-01-251-4028 is a Shim, manufactured by The Boeing Company, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-251-4028 has 1 manufacturer part number on file: 7-217221402 (The Boeing Company).
Key specifications for 7-217221402: Hardness Rating: 28.0 ROCKWELL C MAXIMUM AND 37.0 ROCKWELL C MAXIMUM; Style Designator: CIRCULAR; Material Document and Classification: MIL-S-81506 MIL SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 11.938 INCHES NOMINAL IN. 9 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.