The Heat Interchanger,refrigerant, cataloged under National Stock Number 4130-01-124-2621, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Pioneer Industries, Llc. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4130-01-124-2621 |
| Primary Part Number | HE8058-16.75 |
| Item Name | Heat Interchanger,refrigerant |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Pioneer Industries, Llc |
| Status | ACTIVE |
| Shell Outside Diameter | 2.625 INCHES IN |
| Tube Fin | NOT PROVIDED |
| Material | COPPER TUBE |
| Material | COPPER SHELL |
| 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 |
|---|---|
| HE8058-16.75 | Pioneer Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| HE 8058-28.75 | 3/9 Design control — primary reference Doucette Industries, Inc. |
| 23072-1-NHSH-5 | 5/9 Secondary reference Wedj/three C's Inc |
| C30119 | 5/9 Secondary reference Doucette Industries, Inc. |
| NHSH-5 | C/1 Advisory reference — outside the item-of-supply concept Wedj/three C's Inc |
| C30029 | 5/9 Secondary reference Doucette Industries, Inc. |
NSN 4130-01-124-2621 is a Heat Interchanger,refrigerant, manufactured by Pioneer Industries, Llc, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-124-2621 has 1 manufacturer part number on file: HE8058-16.75 (Pioneer Industries, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6525-01-428-1552, 4130-01-620-8289. Verify interchangeability with system specifications before substitution.
Key specifications for HE8058-16.75: Overall Length: 32.500 INCHES NOMINAL IN; Shell Outside Diameter: 2.625 INCHES IN; Special Features: APPROVED FOR SHIPBOARD USE; Tube Fin: NOT PROVIDED. 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.