The Coupling,pipe, cataloged under National Stock Number 4730-01-504-1776, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (CAGE 28968); Crane Carrier Company, Llc (CAGE 03533) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-504-1776 |
| Primary Part Number | 4CGP |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| 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 |
|---|---|
| 4CGP PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 124-645 | Crane Carrier Company, Llc (USA) |
| 124-0645 | Crane Carrier Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4CGP | 5/9 Secondary reference Hoke Inc Hoke Controls Div |
| A124-617 | D/9 Drawing number reference only Crane Carrier Company, Llc |
NSN 4730-01-504-1776 is a Coupling,pipe, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-504-1776 has 3 manufacturer part numbers on file: 4CGP (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 124-645 (Crane Carrier Company, Llc), 124-0645 (Crane Carrier Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 3130-01-515-3879. Verify interchangeability with system specifications before substitution.
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.