The Expander,tube, cataloged under National Stock Number 3456-00-993-5950, is classified within Federal Supply Class 3456 (Cutting and Forming Tools for Secondary Metalworking Machinery) of the Metalworking Machinery (continued) group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-993-5950 |
| Primary Part Number | 943-175 |
| Item Name | Expander,tube |
| FSC / FSG | 3456 / 34 — Cutting and Forming Tools for Secondary Metalworking Machinery |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Expander Type | ROLLER |
| Design Type | ADJUSTABLE |
| Mandrel Type | ONE PIECE MORSE TAPER HEAD |
| Quantity | 1 |
| Roller Quantity | 3 |
| Tube Sheet Maximum Thickness | 1.500 INCHES IN |
| Tube Minimum Inside Diameter Accommodated | 0.497 INCHES IN |
| Morse Taper Head Size Number | 1 |
| Rated Expansion Diameter | 0.571 INCHES 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 |
|---|---|
| 943-175 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 943-175 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 613B7705-PC6 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 3456-00-993-5950 is a Expander,tube, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
NSN 3456-00-993-5950 has 1 manufacturer part number on file: 943-175 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 943-175: Expander Type: ROLLER; Design Type: ADJUSTABLE; Mandrel Type: ONE PIECE MORSE TAPER HEAD; Quantity: 1. 9 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.