The Shim, cataloged under National Stock Number 5365-01-018-5491, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Atlantic Inertial Systems Inc Div Cheshire Division. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-018-5491 |
| Primary Part Number | 10186-16 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Atlantic Inertial Systems Inc Div Cheshire Division |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES |
| Outside Diameter | 0.307 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Aperture Diameter | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 |
| 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 |
|---|---|
| 10186-16 PRIMARY | Atlantic Inertial Systems Inc Div Cheshire Division (USA) |
| Reference | Meaning |
|---|---|
| 10186-16 | 3/9 Design control — primary reference Atlantic Inertial Systems Inc |
NSN 5365-01-018-5491 is a Shim, manufactured by Atlantic Inertial Systems Inc Div Cheshire Division, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-018-5491 has 1 manufacturer part number on file: 10186-16 (Atlantic Inertial Systems Inc Div Cheshire Division).
Key specifications for 10186-16: Style Designator: CIRCULAR; Material Document and Classification: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES; Outside Diameter: 0.307 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Aperture Diameter: 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN. 6 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.