The Coupling,pipe, cataloged under National Stock Number 4730-01-351-5878, 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 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-351-5878 |
| Primary Part Number | 120-07574-2 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-22750 TYPE 1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Length | 2.380 INCHES ALL ENDS IN |
| Nominal Overall Length | 2.380 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Style Designator | GROOVED BOTH ENDS |
| Material Document and Classification | ASTM A312 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter | 1.500 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.500 INCHES SECOND END IN |
| Surface Treatment | PAINT OVERALL |
| Nominal Width | 2.380 INCHES ALL ENDS IN |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 120-07574-2 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 13229E0708-2 | 5/2 Secondary reference U.S. Government activity |
| 13229E0708 | D/9 Drawing number reference only U.S. Government activity |
| 120-07574-2 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
NSN 4730-01-351-5878 is a Coupling,pipe, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-351-5878 has 1 manufacturer part number on file: 120-07574-2 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-351-5879. Verify interchangeability with system specifications before substitution.
Key specifications for 120-07574-2: Surface Treatment Document and Classification: MIL-C-22750 TYPE 1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Nominal Length: 2.380 INCHES ALL ENDS IN; Nominal Overall Length: 2.380 INCHES IN; Connection Type: UNTHREADED INTERNAL PIPE FIRST END. 11 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.