The Adapter,test, cataloged under National Stock Number 4940-01-433-1307, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4940-01-433-1307 |
| Primary Part Number | 1820199 |
| Item Name | Adapter,test |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Overall Diameter | 0.540 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1820199 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 1820199 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4940-01-433-1307 is a Adapter,test, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-433-1307 has 1 manufacturer part number on file: 1820199 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 1820199: Overall Diameter: 0.540 INCHES NOMINAL IN; Overall Length: 0.623 INCHES NOMINAL IN; Special Features: ADAPTER,ROUND MALE FLANGE; End Item Identification: SHIP,OHIO CLASS SSN (TRIDENT). 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.
NSN 4940-01-433-1307 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.