The Mask,alignment, cataloged under National Stock Number 4920-01-080-2759, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Keaster Products, Incorporated. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-080-2759 |
| Primary Part Number | 3183735 |
| Item Name | Mask,alignment |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Keaster Products, Incorporated |
| Status | ACTIVE |
| General Characteristics Item Description | MASK FOR CATHODE RAY TUBE; 6.000 IN. DIA; BRACKET MTD IN |
| 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 |
|---|---|
| 3183735 PRIMARY | Keaster Products, Incorporated (USA) |
| 3183735 PRIMARY | Klune Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 3183735 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 3183735 | 5/9 Secondary reference L3 Technologies, Inc. Div Ocean Systems |
NSN 4920-01-080-2759 is a Mask,alignment, manufactured by Keaster Products, Incorporated, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-080-2759 has 2 manufacturer part numbers on file: 3183735 (Keaster Products, Incorporated), 3183735 (Klune Industries Inc).
Key specifications for 3183735: General Characteristics Item Description: MASK FOR CATHODE RAY TUBE; 6.000 IN. DIA; BRACKET MTD IN; End Item Identification: AN/AQS-13 B AND AN/AQM-22. 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.
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.