The Tailpiece,eductor, cataloged under National Stock Number 4420-01-184-4520, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Ametek Inc Schutte and Koerting Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-184-4520 |
| Primary Part Number | 71G-0031J-0020 |
| Item Name | Tailpiece,eductor |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Ametek Inc Schutte and Koerting Div |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE PER MIL SPEC MIL-B-16541 |
| 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 |
|---|---|
| 72-XG-019-J PART 2 | Ametek Inc Schutte and Koerting Div (USA) |
| 71G-0031J-0020 PRIMARY | Ametek Inc Schutte and Koerting Div (USA) |
| Reference | Meaning |
|---|---|
| 71-G-031-J | 5/9 Secondary reference Ametek Inc Schutte and Koerting Div |
| 72-XG-019-J | D/9 Drawing number reference only Ametek Inc Schutte and Koerting Div |
NSN 4420-01-184-4520 is a Tailpiece,eductor, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-184-4520 has 2 manufacturer part numbers on file: 72-XG-019-J PART 2 (Ametek Inc Schutte and Koerting Div), 71G-0031J-0020 (Ametek Inc Schutte and Koerting Div).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-184-7053, 4730-01-184-7067. Verify interchangeability with system specifications before substitution.
Key specifications for 71G-0031J-0020: General Characteristics Item Description: BRONZE PER MIL SPEC MIL-B-16541. 1 specification is 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.