The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-151-7959, 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 Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-151-7959 |
| Primary Part Number | 502-02-04-0220-0CIL |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Length | 2.300 INCHES SECOND END IN |
| Nominal Overall Length | 1.144 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.322 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 0.318 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 2.296 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.628 INCHES SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT FIRST END |
| Nominal Thickness | 0.530 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 |
|---|---|
| 502-02-04-0220-0CIL PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 205620 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| SS845-2110237 | D/9 Drawing number reference only U.S. Government activity |
| 502-02-04-0220-0CIL | 5/9 Secondary reference Circor Intl Inc |
| 2620-926X1PIECE20 | 5/9 Secondary reference Circor Intl Inc |
| SS845-2110237PIECE20 1-2IN | 5/2 Secondary reference U.S. Government activity |
| 2620-926X1PIECE20 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-151-7959 is a Adapter,straight,flange to Pipe, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-151-7959 has 2 manufacturer part numbers on file: 502-02-04-0220-0CIL (Leslie Controls, Inc. Dba Leslie Controls Inc), 205620 (Huntington Ingalls Inc Div Newport News Shipbuilding).
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-152-2705, 4820-01-152-2706, 4820-01-152-2707. Verify interchangeability with system specifications before substitution.
Key specifications for 502-02-04-0220-0CIL: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Length: 2.300 INCHES SECOND END IN. 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.