The Elbow,tube, cataloged under National Stock Number 4730-01-168-7612, 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 Aerofit, Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-168-7612 |
| Primary Part Number | 7M149DA4 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aerofit, Llc |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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-225/6 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-A-367/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.506 INCHES MINIMUM AND 0.734 INCHES MAXIMUM FIRST END IN |
| Leg Length | 0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Material | ALUMINUM ALLOY 2024 NUT |
| Material | ALUMINUM ALLOY 2014 BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 7M149DA4 PRIMARY | Aerofit, Llc (USA) |
| 7M149-04DA | Hydro-Fitting Manufacturing Corporation (USA) |
| 7M149DA4 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M149DA4 PRIMARY | The Boeing Company Div Defense (USA) |
| 7M149DA4 | Nelson Aero Space, Inc. (USA) |
| 7M149DA4 PRIMARY | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| Reference | Meaning |
|---|---|
| 7M149DA4 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M149DA4 | 5/9 Secondary reference Bailey Hose Inc |
| 7M149DA4 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| 7M149 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 7M149DA4 | 5/9 Secondary reference Crown Fitting Co Inc |
| 10108844 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-01-168-7612 is a Elbow,tube, manufactured by Aerofit, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-168-7612 has 6 manufacturer part numbers on file: 7M149DA4 (Aerofit, Llc), 7M149-04DA (Hydro-Fitting Manufacturing Corporation), 7M149DA4 (Sps Technologies, Llc Dba Airdrome Precision Components), 7M149DA4 (The Boeing Company Div Defense), 7M149DA4 (Nelson Aero Space, Inc.) and 1 more.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-286-0215, 4730-01-338-2111, 4730-01-604-3952. Verify interchangeability with system specifications before substitution.
Key specifications for 7M149DA4: Flow Angle: 45.0 DEGREES; Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END. 20 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.