The Plate Assembly,transition,duct C, cataloged under National Stock Number 4520-00-153-4694, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Flexible Technologies Inc. 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-00-153-4694 |
| Primary Part Number | FT142-0-3 |
| Item Name | Plate Assembly,transition,duct C |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 3 BRACKET,3 PIN,3 NUT,1 RING,1 PLATE,6 CLIP |
| 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 |
|---|---|
| FT142-0-3 PRIMARY | Flexible Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| G19A | 5/9 Secondary reference U.S. Government activity |
| TDF25 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| MQ1303 | 5/9 Secondary reference U.S. Government activity |
| 5-13-2088-31 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 25078-31 | 5/2 Secondary reference U.S. Government activity |
| TDF25 | 5/9 Secondary reference U.S. Government activity |
| 5-13-2088-31 | 5/9 Secondary reference U.S. Government activity |
| 5-13-2088-31 | 5/2 Secondary reference U.S. Government activity |
| PF1422T | 5/9 Secondary reference U.S. Government activity |
| 13219E2523 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-00-153-4694 is a Plate Assembly,transition,duct C, manufactured by Flexible Technologies Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-153-4694 has 1 manufacturer part number on file: FT142-0-3 (Flexible Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-360-2528. Verify interchangeability with system specifications before substitution.
Key specifications for FT142-0-3: General Characteristics Item Description: CONSISTS OF 3 BRACKET,3 PIN,3 NUT,1 RING,1 PLATE,6 CLIP. 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.