The Adapter Kit,mechanical Test, cataloged under National Stock Number 4940-01-339-8581, 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 Northrop Grumman Systems Corporation. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4940-01-339-8581 |
| Primary Part Number | 123SME50791-1 |
| Item Name | Adapter Kit,mechanical Test |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Component Quantity | 8 |
| End Item Source | 26512 |
| Unit Package Quantity | 5 |
| End Item Name | AIR ADAPTER SET |
| Nonsupply Items and Quantities | WELDMENT ASSY 1,GASKET 1,NAMEPLATE 1,NAMEPLATE 1,CAPTIVE SCREW 4 |
| 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 |
|---|---|
| 123SME50791-1 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 123SME50791-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123SME50791 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| 123SME50791-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4940-01-339-8581 is a Adapter Kit,mechanical Test, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-339-8581 has 2 manufacturer part numbers on file: 123SME50791-1 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), 123SME50791-1 (Northrop Grumman Systems Corporation).
Key specifications for 123SME50791-1: Component Quantity: 8; End Item Source: 26512; Unit Package Quantity: 5; End Item Name: AIR ADAPTER SET. 5 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 4940-01-339-8581 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.