The Reducer,tube, cataloged under National Stock Number 4730-01-179-2912, 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 Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-179-2912 |
| Primary Part Number | MR54027T-1614 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Connection Style | STREAMLINED W/ TWO BRAZING RINGS (TUBE) SECOND END |
| Nominal Overall Length | 1.533 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4965 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES SECOND END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Seat Angle | 8.5 DEGREES FIRST END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS 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 |
|---|---|
| AP442T1614 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| MR54027T-1614 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| 7M525T1614 | The Boeing Company Div Defense (USA) |
| LE273-0031-0009 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| MR54027 | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| LE273-0031 | 7/1 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 4730-01-179-2912 is a Reducer,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-179-2912 has 4 manufacturer part numbers on file: AP442T1614 (Sps Technologies, Llc Dba Airdrome Precision Components), MR54027T-1614 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), 7M525T1614 (The Boeing Company Div Defense), LE273-0031-0009 (The Boeing Company Div Legacy Am&m).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-179-5403, 4730-01-179-5406, 4730-01-179-5407. Verify interchangeability with system specifications before substitution.
Key specifications for MR54027T-1614: Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Connection Style: STREAMLINED W/ TWO BRAZING RINGS (TUBE) SECOND END; Nominal Overall Length: 1.533 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE SECOND END. 15 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.