The Shim, cataloged under National Stock Number 5365-01-237-5268, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Thales Training & Simulation Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-237-5268 |
| Primary Part Number | 21039-01 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Thales Training & Simulation Inc |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 3.750 INCHES NOMINAL IN |
| Aperture Diameter | 2.880 INCHES NOMINAL IN |
| Features Provided | SEPARABLE |
| Lamination Quantity | 31 |
| Lamination Thickness | 0.002 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| Construction | LAMINATED |
| 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 |
|---|---|
| 21039-01 PRIMARY | Thales Training & Simulation Inc (USA) |
| Reference | Meaning |
|---|---|
| 21039-01 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-01-237-5268 is a Shim, manufactured by Thales Training & Simulation Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-237-5268 has 1 manufacturer part number on file: 21039-01 (Thales Training & Simulation Inc).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-323-3407. Verify interchangeability with system specifications before substitution.
Key specifications for 21039-01: Style Designator: CIRCULAR; Material Document and Classification: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 3.750 INCHES NOMINAL IN; Aperture Diameter: 2.880 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.