The Probe Subassembly, cataloged under National Stock Number 6625-01-653-1106, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Textron Aviation Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-653-1106 |
| Primary Part Number | 0221-100 |
| Item Name | Probe Subassembly |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0221-100 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 0221-100 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 6625-01-653-1106 is a Probe Subassembly, manufactured by Textron Aviation Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-653-1106 has 1 manufacturer part number on file: 0221-100 (Textron Aviation Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-656-9167. Verify interchangeability with system specifications before substitution.
Key specifications for 0221-100: Special Features: PART OF CABIN TEMPERATURE INDICATING SYSTEM; CONTRACT NO.: 35040/15/0761/99 (2015/AR40U/00004327); 21-60-00 ITEM 11; Part Name Assigned by Controlling Agency: NOMENCLATURE: PROBE-CABIN TEMPERATURE; End Item Identification: CESSNA CITATION AIRCRAFT; MODEL 550, MODEL 650. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.