The Nipple,pipe, cataloged under National Stock Number 4730-01-208-3073, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-208-3073 |
| Primary Part Number | 857-08186-000 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Material | COPPER AND NICKEL ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 857-08186-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 700-7937 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 857-08186-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 700-7937 PIECE2F | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4730-01-208-3073 is a Nipple,pipe, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-208-3073 has 1 manufacturer part number on file: 857-08186-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 857-08186-000: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; End Item Identification: HEAT EXCHANGER, AQUA-CHEM, P/N 700-07937-000; Material: COPPER AND NICKEL ALLOY OVERALL. 4 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.