The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-133-1730, 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 Danfoss Power Solutions II, Llc. Government technical data includes 19 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 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 | 4730-01-133-1730 |
| Primary Part Number | 500023-16S |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Flange Shape | ROUND SECOND END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Surface Treatment Document and Classification | QQ-P-416,CLASS 2,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 1.130 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.040 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Outside Diameter | 1.750 INCHES SECOND END IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Nominal Thickness | 0.315 INCHES SECOND 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 |
|---|---|
| 10158969 | Us Army Aviation and Missile Command (USA) |
| 500023-16S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
NSN 4730-01-133-1730 is a Elbow,flange to Tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-133-1730 has 2 manufacturer part numbers on file: 10158969 (Us Army Aviation and Missile Command), 500023-16S (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2915-01-139-7182. Verify interchangeability with system specifications before substitution.
Key specifications for 500023-16S: Flange Shape: ROUND SECOND END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN SECOND END; Surface Treatment Document and Classification: QQ-P-416,CLASS 2,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.