The Heater,nitrogen, cataloged under National Stock Number 4540-01-149-3422, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Cryoquip, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-149-3422 |
| Primary Part Number | 4541701-1 |
| Item Name | Heater,nitrogen |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Cryoquip, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 4541701-1 PRIMARY | Cryoquip, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4541701-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 159501-1 | 5/9 Secondary reference Hex Industries Inc |
| SEB-002-L1 | 5/9 Secondary reference Hex Industries Inc |
| SEB-002-61 | 5/9 Secondary reference Hex Industries Inc |
| SEB-002-L1 | 5/9 Secondary reference Cryoquip, Llc |
NSN 4540-01-149-3422 is a Heater,nitrogen, manufactured by Cryoquip, Llc, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-149-3422 has 1 manufacturer part number on file: 4541701-1 (Cryoquip, Llc).
Key specifications for 4541701-1: General Characteristics Item Description: STEEL CORROSION RESISTING. 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.