The Connector,bayonet,oxygen Mask, cataloged under National Stock Number 1660-01-547-6741, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-547-6741 |
| Primary Part Number | 123AB50534-7 |
| Item Name | Connector,bayonet,oxygen Mask |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shape | OFFSET |
| Side for Which Designed | BOTH SIDES |
| 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 |
|---|---|
| 123AB50534-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123AB50534-7 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123AB50534-7 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 1660-01-547-6741 is a Connector,bayonet,oxygen Mask, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-547-6741 has 1 manufacturer part number on file: 123AB50534-7 (Northrop Grumman Systems Corporation).
Key specifications for 123AB50534-7: Shape: OFFSET; Special Features: USED WITH E-2 AIRCRAFT SERIALIZATION; Part Name Assigned by Controlling Agency: (INAVY) CONNECTOR ASSEMBLY - OXYGEN MASK, CREW BACK PACK; End Item Identification: IOL CODE. 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.
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.