The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-161-6961, 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 Johnson Controls, Inc Div Building Efficiency. Government technical data includes 5 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 | 4730-01-161-6961 |
| Primary Part Number | F-100-21 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Johnson Controls, Inc Div Building Efficiency |
| Status | ACTIVE |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (TUBE) FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Material | COPPER ALLOY AND ZINC OVERALL |
| 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 |
|---|---|
| F-100-21 PRIMARY | Johnson Controls, Inc Div Building Efficiency (USA) |
NSN 4730-01-161-6961 is a Adapter,straight,pipe to Tube, manufactured by Johnson Controls, Inc Div Building Efficiency, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-161-6961 has 1 manufacturer part number on file: F-100-21 (Johnson Controls, Inc Div Building Efficiency).
Key specifications for F-100-21: Connection Style: STREAMLINED W/ ONE BRAZING RING (TUBE) FIRST END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN. 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.
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.