The Elbow,tube to Hose, cataloged under National Stock Number 4730-00-134-8239, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4730-00-134-8239 |
| Primary Part Number | 6649-4 |
| Item Name | Elbow,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HOSE COUPLING SLEEVE AND 1 HOSE COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | QQ-A-367,COMP 6061 FED SPEC SINGLE TREATMENT RESPONSE AND QQ-S-763,CLASS 304 FED SPEC 1ST TREATMENT RESPONSE AND QQ-A-225/6,ALLOY 2024 FED SPEC 2ND TREATMENT RESPONSE AND AMS5685 ASSN STD 3RD TREATMENT RESPONSE OVERALL |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.188 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.312 INCHES SECOND END IN |
| Material Document and Classification | QQ-A-367,COMP 6061 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-S-763,CLASS 304 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/6,ALLOY 2024 FED SPEC 2ND MATERIAL RESPONSE AND AMS5685 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 0.950 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | ANODIZE AND PASSIVATE OVERALL |
| Thread Class | 2B FIRST END |
| Material | ALUMINUM OVERALL |
| 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 |
|---|---|
| 6649-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
NSN 4730-00-134-8239 is a Elbow,tube to Hose, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-134-8239 has 1 manufacturer part number on file: 6649-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
2 possible matches (shared part number, not a government interchangeability claim): 4310-01-007-0597, 4720-01-368-9387. Verify interchangeability with system specifications before substitution.
Key specifications for 6649-4: Furnished Items and Quantity: 1 HOSE COUPLING SLEEVE AND 1 HOSE COUPLING NUT; Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: QQ-A-367,COMP 6061 FED SPEC SINGLE TREATMENT RESPONSE AND QQ-S-763,CLASS 304 FED SPEC 1ST TREATMENT RESPONSE AND QQ-A-225/6,ALLOY 2024 FED SPEC 2ND TREATMENT RESPONSE AND AMS5685 ASSN STD 3RD TREATMENT RESPONSE OVERALL; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END. 16 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.