The Gage,protrusion, cataloged under National Stock Number 5220-01-054-9399, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5220-01-054-9399 |
| Primary Part Number | 105GT1029-7 |
| Item Name | Gage,protrusion |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL ALLOY,4.125 IN. LG,0.750 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 105GT1029-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 105GT1029-7 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5220-01-054-9399 is a Gage,protrusion, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-054-9399 has 1 manufacturer part number on file: 105GT1029-7 (Northrop Grumman Systems Corporation).
Key specifications for 105GT1029-7: General Characteristics Item Description: STEEL ALLOY,4.125 IN. LG,0.750 IN. DIA IN. 1 specification is 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.
NSN 5220-01-054-9399 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.