The Elbow,tube, cataloged under National Stock Number 4730-01-131-3820, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-131-3820 |
| Primary Part Number | AP331T04 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Flow Angle | 60.0 DEGREES |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS 4565,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.469 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.711 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 8.5 DEGREES FIRST END |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 24 SECOND END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNS SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| AP331T04 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP2608T0404 | Aerofit, Llc (USA) |
| 07A073-04 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| TF331T04 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| R44129-60T-04 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE16822-04 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| ST7M224T4 PRIMARY | The Boeing Company Div Defense (USA) |
| AE16400-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 10108694 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M224 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-131-3820 is a Elbow,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-131-3820 has 8 manufacturer part numbers on file: AP331T04 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP2608T0404 (Aerofit, Llc), 07A073-04 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), TF331T04 (Smiths Tubular Systems-Laconia, Inc.), R44129-60T-04 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division) and 3 more.
Key specifications for AP331T04: Flow Angle: 60.0 DEGREES; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END. 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.