The Lens,test Set, cataloged under National Stock Number 4920-01-080-8719, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-080-8719 |
| Item Name | Lens,test Set |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | COATED PLANO-CONVEX W/ONE OUTWARD CURVING FACE,TOLERANCE PORM 10 PERCENT,FOCAL LENGTH 41MM,23MM DIA MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 94149 | 3/2 Design control — primary reference U.S. Government activity |
| 11019181-1 | 7/1 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4920-01-080-8719 is a Lens,test Set, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5975-01-463-2881. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-01-080-8719: General Characteristics Item Description: COATED PLANO-CONVEX W/ONE OUTWARD CURVING FACE,TOLERANCE PORM 10 PERCENT,FOCAL LENGTH 41MM,23MM DIA MM; End Item Identification: F4E/RF4C ACFT AN/AVM-23 AGE.. 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.