The Elbow,tube, cataloged under National Stock Number 4730-01-083-7301, 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 22 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-083-7301 |
| Primary Part Number | 7M148DA12 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,T851 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Leg Length | 1.281 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.812 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE NUT |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | ALUMINUM ALLOY 2024 NUT |
| Material | ALUMINUM ALLOY 2014 BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| 7M148DA12 PRIMARY | The Boeing Company Div Defense (USA) |
| 7M148DA12 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 7M148DA12 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M148D12 | Nelson Aero Space, Inc. (USA) |
| 7M148D12 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M148DA12 | Nelson Aero Space, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7M148 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 7M148DA12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M148DA12 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| 7M148D12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M148D12 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| 7M148D12 | 5/9 Secondary reference The Boeing Company Div Defense |
| 10108517 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-01-083-7301 is a Elbow,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-083-7301 has 6 manufacturer part numbers on file: 7M148DA12 (The Boeing Company Div Defense), 7M148DA12 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 7M148DA12 (Sps Technologies, Llc Dba Airdrome Precision Components), 7M148D12 (Nelson Aero Space, Inc.), 7M148D12 (Sps Technologies, Llc Dba Airdrome Precision Components) and 1 more.
Key specifications for 7M148DA12: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: FLARED (TUBE) SECOND END. 22 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.