The Shim, cataloged under National Stock Number 5365-01-421-4221, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. 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.
| Parameter | Value |
|---|---|
| NSN | 5365-01-421-4221 |
| Primary Part Number | 999551-05 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Overall Thickness | 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Aperture Diameter | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE FILM |
| Material | STEEL COMP 1010 |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 999551-05 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
NSN 5365-01-421-4221 is a Shim, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-421-4221 has 1 manufacturer part number on file: 999551-05 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 999551-05: Overall Thickness: 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN. 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.