The Elbow,tube, cataloged under National Stock Number 4730-00-271-9398, 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 Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-271-9398 |
| Primary Part Number | TF331T08 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Flow Angle | 60.0 DEGREES |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Connection Style | INVERTED FLARE (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 0.603 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.129 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.188 INCHES FIRST END IN |
| Nominal Thread Size | 0.188 INCHES SECOND END IN |
| Seat Angle | 8.5 DEGREES FIRST END |
| Seat Angle | 8.5 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS SECOND END |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| AFP2608T0808 | Aerofit, Llc (USA) |
| TF331T08 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| AP331T08 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R44129-60T-08 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| ST7M224T8 | The Boeing Company Div Defense (USA) |
| 07A073-08 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AE16400-8 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| ST7M244 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-00-271-9398 is a Elbow,tube, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-271-9398 has 7 manufacturer part numbers on file: AFP2608T0808 (Aerofit, Llc), TF331T08 (Smiths Tubular Systems-Laconia, Inc.), AP331T08 (Sps Technologies, Llc Dba Airdrome Precision Components), R44129-60T-08 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), ST7M224T8 (The Boeing Company Div Defense) and 2 more.
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-275-9396, 4730-01-076-3283. Verify interchangeability with system specifications before substitution.
Key specifications for TF331T08: Flow Angle: 60.0 DEGREES; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Connection Style: INVERTED FLARE (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE SECOND END. 21 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.