The Gage,comparator,air, cataloged under National Stock Number 5220-01-252-3407, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Gage,comparator,air |
| FSC / FSG | 5220 — Inspection Gages and Precision Layout Tools (FSG 52) |
| Manufacturers | Rtx Corporation Div Pratt & Whitney (CAGE 55820) |
| Parameter | Value |
|---|---|
| NSN | 5220-01-252-3407 |
| Primary Part Number | ST61920 |
| Item Name | Gage,comparator,air |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| 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 |
|---|---|
| ST61920 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 5220-01-252-3407 is a Gage,comparator,air, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-252-3407 has 1 manufacturer part number on file: ST61920 (Rtx Corporation Div Pratt & Whitney).
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.