The Square,surface Plate, cataloged under National Stock Number 5220-01-666-4055, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Fastenal Company. Government technical data includes 3 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 | 5220-01-666-4055 |
| Primary Part Number | 0850620 |
| Item Name | Square,surface Plate |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Fastenal Company |
| Status | ACTIVE |
| Overall Thickness | 0.625 INCHES NOMINAL IN |
| Specific Use | CORRECTION |
| Material | STEEL |
| 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 |
|---|---|
| 0850620 PRIMARY | Fastenal Company (USA) |
NSN 5220-01-666-4055 is a Square,surface Plate, manufactured by Fastenal Company, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-666-4055 has 1 manufacturer part number on file: 0850620 (Fastenal Company).
Key specifications for 0850620: Overall Height: 3.375 INCHES NOMINAL IN; Overall Thickness: 0.625 INCHES NOMINAL IN; Overall Width: 3.375 INCHES NOMINAL IN; Specific Use: CORRECTION. 3 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.