The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-005-5516, 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 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-005-5516 |
| Primary Part Number | 4558-62 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.880 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.200 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Maximum Operating Temp | 93.3 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | ANODIZE OUTSIDE |
| Thread Class | 2A SECOND END A |
| Thread Class | 3A FIRST END A |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| A51E9102-19 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| 4558-62 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| A51E9102-19 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4730-00-005-5516 is a Elbow,tube to Boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-005-5516 has 2 manufacturer part numbers on file: A51E9102-19 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 4558-62 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-095-3110. Verify interchangeability with system specifications before substitution.
Key specifications for 4558-62: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END. 18 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.