The Elbow,tube to Hose, cataloged under National Stock Number 4730-01-276-1239, 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 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-276-1239 |
| Primary Part Number | F6699-4 |
| 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 |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625,TY2,DYE-BLUE MIL SPEC 1ST TREATMENT RESPONSE ELBOW |
| Surface Treatment Document and Classification | MIL-A-8625,TY2,DYE-BLUE MIL SPEC 1ST TREATMENT RESPONSE NIPPLE |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.344 INCHES SECOND END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Material Document and Classification | QQ-A-225 FED SPEC 1ST MATERIAL RESPONSE ELBOW |
| Material Document and Classification | QQ-A-225 FED SPEC 1ST MATERIAL RESPONSE NIPPLE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 0.560 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.540 INCHES NOMINAL SECOND END IN |
| Surface Treatment | ANODIZE NIPPLE |
| Surface Treatment | ANODIZE ELBOW |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Material | ALUMINUM ALLOY 6061 ELBOW |
| Material | ALUMINUM ALLOY 6061 NIPPLE |
| Material | STEEL CORROSION RESISTING SOCKET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F6699-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 04MN019-3 | 7/2 Vendor item drawing reference Raytheon Co ESD Long Island Div |
| 04MN019 | 7/1 Vendor item drawing reference Raytheon Co ESD Long Island Div |
| F6699-4 | 5/9 Secondary reference Chem Glow Industries |
NSN 4730-01-276-1239 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 4730-01-276-1239 has 1 manufacturer part number on file: F6699-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-276-1243. Verify interchangeability with system specifications before substitution.
Key specifications for F6699-4: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-A-8625,TY2,DYE-BLUE MIL SPEC 1ST TREATMENT RESPONSE ELBOW; Surface Treatment Document and Classification: MIL-A-8625,TY2,DYE-BLUE MIL SPEC 1ST TREATMENT RESPONSE NIPPLE; Connection Style: SOCKET (TUBE) 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.
NSN 4730-01-276-1239 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.