The Adapter Assembly,valve, cataloged under National Stock Number 4730-01-172-0174, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-172-0174 |
| Primary Part Number | 41A75000-001 |
| Item Name | Adapter Assembly,valve |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF P/N T83301-24 CAP,P/N AN816-6-6D ADAPTER,P/N AN929-6 CAP,AND P/N AS568-030 O-RING |
| Functional Description | USED TO INTERFACE COOLANT THERMOSTATIC BYPASS VALVE INLET,OUTLET,AND BYPASS PORTS WITH COOLANT TEST STAND |
| 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 |
|---|---|
| 41A75000-001 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-520 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 4730-01-172-0174 is a Adapter Assembly,valve, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-172-0174 has 1 manufacturer part number on file: 41A75000-001 (The Boeing Company Div Legacy Am&m).
Key specifications for 41A75000-001: General Characteristics Item Description: CONSISTS OF P/N T83301-24 CAP,P/N AN816-6-6D ADAPTER,P/N AN929-6 CAP,AND P/N AS568-030 O-RING; Special Features: USED ON: L362C2001 AIR CONDITIONING AND PRESSURIZATION SUBSYSTEM, L362C2016 INTERCOOLER HEAT EXCHANGER; Functional Description: USED TO INTERFACE COOLANT THERMOSTATIC BYPASS VALVE INLET,OUTLET,AND BYPASS PORTS WITH COOLANT TEST STAND; End Item Identification: B-1B AIRCRAFT. 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.