The Reducer,tube, cataloged under National Stock Number 4730-01-123-5704, 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 Ltd, York Navy Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-123-5704 |
| Primary Part Number | 268L67326-M00 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Johnson Controls Ltd, York Navy Systems |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Nominal Overall Length | 1.880 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Material | COPPER OVERALL |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 268L67326-M00 | Johnson Controls Ltd, York Navy Systems (GBR) |
| Reference | Meaning |
|---|---|
| 845-2445071 ITEM 17 | 5/1 Secondary reference U.S. Government activity |
| 845-2445071 | D/9 Drawing number reference only U.S. Government activity |
| ANSIB16.22 | 5/1 Secondary reference U.S. Government activity |
| 15-00-8543 | 3/2 Design control — primary reference U.S. Government activity |
| W-1050 | 5/1 Secondary reference Mueller Brass Co. |
NSN 4730-01-123-5704 is a Reducer,tube, manufactured by Johnson Controls Ltd, York Navy Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-123-5704 has 1 manufacturer part number on file: 268L67326-M00 (Johnson Controls Ltd, York Navy Systems).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-181-1857. Verify interchangeability with system specifications before substitution.
Key specifications for 268L67326-M00: Connection Style: PLAIN (TUBE) ALL ENDS; Nominal Overall Length: 1.880 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES SECOND END IN. 7 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.