The Probe Assembly,low, cataloged under National Stock Number 4420-01-138-5200, 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 Fti Flow Technology Llc. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4420-01-138-5200 |
| Primary Part Number | 01-84351-101 |
| Item Name | Probe Assembly,low |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Fti Flow Technology Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 01-84351-101 PRIMARY | Fti Flow Technology Llc (USA) |
| 900-13250 PC 36 | L3harris Maritime Power & Energy Solutions, Inc (USA) |
| 940-14840 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
| 20500-501 | Dutch Valley Supply Co. (USA) |
| Reference | Meaning |
|---|---|
| 01SC1183-102S | 5/9 Secondary reference Fti Flow Technology Llc |
| 01C51183-102 | 5/9 Secondary reference Fti Flow Technology Llc |
NSN 4420-01-138-5200 is a Probe Assembly,low, manufactured by Fti Flow Technology Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-138-5200 has 4 manufacturer part numbers on file: 01-84351-101 (Fti Flow Technology Llc), 900-13250 PC 36 (L3harris Maritime Power & Energy Solutions, Inc), 940-14840 (L3harris Maritime Power & Energy Solutions, Inc), 20500-501 (Dutch Valley Supply Co.).
Key specifications for 01-84351-101: Overall Length: 3.640 INCHES NOMINAL IN; Special Features: MATERIAL: POLYTETRAFLUOROETHYLENE (PTFE). 0 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.
NSN 4420-01-138-5200 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.