The Reducer,tube, cataloged under National Stock Number 4730-01-003-5112, 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 Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-003-5112 |
| Primary Part Number | ST7M208T1216 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 1.735 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS4965,6AL4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| ST7M208T1216 PRIMARY | The Boeing Company Div Defense (USA) |
| AE16164-12-16 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| ST7M208T1216 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| R44181T1216 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| ST7M208 | 5/9 Secondary reference The Boeing Company Div Defense |
| 104-522-9202 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-003-5112 is a Reducer,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-003-5112 has 4 manufacturer part numbers on file: ST7M208T1216 (The Boeing Company Div Defense), AE16164-12-16 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), ST7M208T1216 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), R44181T1216 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
6 possible matches (shared part number, not a government interchangeability claim): 4730-01-088-0871, 4730-01-116-5968, 4730-01-185-8104. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M208T1216: Connection Style: PLAIN (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Overall Length: 1.735 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 17 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.