The Gage,master,stepped, cataloged under National Stock Number 5220-01-419-5398, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Delta Gear, Llc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5220-01-419-5398 |
| Primary Part Number | 181146 |
| Item Name | Gage,master,stepped |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Delta Gear, Llc. |
| Status | ACTIVE |
| General Characteristics Item Description | GAGE IS AWEAR STEPMASTER SPLINE, 11 TEETH, PITCH DIA 0.4503, BASE DIA 0.3969 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 181146 PRIMARY | Delta Gear, Llc. (USA) |
| Reference | Meaning |
|---|---|
| 21C8857P01 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5220-01-419-5398 is a Gage,master,stepped, manufactured by Delta Gear, Llc., classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-419-5398 has 1 manufacturer part number on file: 181146 (Delta Gear, Llc.).
Key specifications for 181146: General Characteristics Item Description: GAGE IS AWEAR STEPMASTER SPLINE, 11 TEETH, PITCH DIA 0.4503, BASE DIA 0.3969; End Item Identification: F-18 ACFT; Material: STEEL CORROSION RESISTING. 2 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.