The Test Stand,demand Oxygen Regulat, cataloged under National Stock Number 4920-01-344-0358, 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 The Boeing Company Div Legacy Am&m. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-344-0358 |
| Primary Part Number | 47A77000-001 |
| Item Name | Test Stand,demand Oxygen Regulat |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Reference Data and Literature | SERD NO. 47A77C; RCN: 10208-654-2030 |
| Functional Description | USED TO FAULT ISOLATE THE FAILED COMPONENT,AND VERIFY PERFORMANCE OF MOLECULAR SIEVE ASSY; PROVIDES CONTRON/MONITORING OF CONCENTRATOR ASSY; ELEC POWER PER ACFT CHARACTERISTICS; AIR SUPPLY AT ACFT TEMPERATURE/PRESSURE; MEASUREMENT OF AVAILABLE OXYGEN; MEASUREMENT OF OXYGEN FLOW,IN LITERS; COOLANT FLUID AT ACFT TEMPERATURE/FLOW RATE; ALL ELECTRICAL/MECHANICAL INTERFACE,TEST; SIMULATION OF CABIN ALTITUDE OF 28,000 FEET AND ACFT ALTITUDE OF 45,000 FEET; AND TEST INDIVIDUAL CONCENTRATOR BEDS PRIOR TO INSTALLATION ON THE CONCENTRATOR FT |
| 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 |
|---|---|
| 47A77000-001 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 4920-01-344-0358 is a Test Stand,demand Oxygen Regulat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-344-0358 has 1 manufacturer part number on file: 47A77000-001 (The Boeing Company Div Legacy Am&m).
Key specifications for 47A77000-001: Reference Data and Literature: SERD NO. 47A77C; RCN: 10208-654-2030; Special Features: COMPANY ITEM NAME-TEST SET, OXYGEN CONCENTRATOR; Functional Description: USED TO FAULT ISOLATE THE FAILED COMPONENT,AND VERIFY PERFORMANCE OF MOLECULAR SIEVE ASSY; PROVIDES CONTRON/MONITORING OF CONCENTRATOR ASSY; ELEC POWER PER ACFT CHARACTERISTICS; AIR SUPPLY AT ACFT TEMPERATURE/PRESSURE; MEASUREMENT OF AVAILABLE OXYGEN; MEASUREMENT OF OXYGEN FLOW,IN LITERS; COOLANT FLUID AT ACFT TEMPERATURE/FLOW RATE; ALL ELECTRICAL/MECHANICAL INTERFACE,TEST; SIMULATION OF CABIN ALTITUDE OF 28,000 FEET AND ACFT ALTITUDE OF 45,000 FEET; AND TEST INDIVIDUAL CONCENTRATOR BEDS PRIOR TO INSTALLATION ON THE CONCENTRATOR FT; End Item Identification: B-1B ACFT AGE.. 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.