The Cap,pipe, cataloged under National Stock Number 4730-00-174-4570, 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 Flowserve Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cap,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Flowserve Inc (CAGE 63220); Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (CAGE 34646); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-174-4570 |
| Primary Part Number | 4200-1/4 |
| Item Name | Cap,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flowserve Inc |
| 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 |
|---|---|
| 4200-1/4 PRIMARY | Flowserve Inc (USA) |
| 389-1/4 PRIMARY | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| 45C729-1505 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 912786C2 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 912786C2 | C/1 Advisory reference — outside the item-of-supply concept Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| 4200-1/4 | C/1 Advisory reference — outside the item-of-supply concept Liberty Equipment & Supply |
| 389 1/4IN | 5/9 Secondary reference Crane Co Div Valve Div |
NSN 4730-00-174-4570 is a Cap,pipe, manufactured by Flowserve Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-174-4570 has 3 manufacturer part numbers on file: 4200-1/4 (Flowserve Inc), 389-1/4 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), 45C729-1505 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
4 possible matches (shared part number, not a government interchangeability claim): 5815-00-915-2902, 5962-01-154-4558, 4820-01-250-6426. 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.