The Elbow,flange to Hose, cataloged under National Stock Number 4730-00-609-6855, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-609-6855 |
| Primary Part Number | 1609779 |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Surface Treatment Document and Classification | MIL-C-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Length | 3.500 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.656 INCHES FIRST END IN |
| Leg Length | 3.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.500 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | PHOSPHATE OUTSIDE |
| Nominal Width | 3.500 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.500 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Raised Face Nominal Diameter | 2.623 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.126 INCHES FIRST END IN |
| Nominal Thickness | 3.687 INCHES FIRST END IN |
| 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 |
|---|---|
| BUWEPSDWG1609779 | Bae Systems Land & Armaments L.p. (USA) |
| 1609779 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4730-00-609-6855 is a Elbow,flange to Hose, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-609-6855 has 2 manufacturer part numbers on file: BUWEPSDWG1609779 (Bae Systems Land & Armaments L.p.), 1609779 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1609779: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT FIRST END; Surface Treatment Document and Classification: MIL-C-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE. 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.