The Adapter,pressure Test, cataloged under National Stock Number 4920-01-108-5559, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Woodward Fst, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-01-108-5559 |
| Primary Part Number | 502T653-01 |
| Item Name | Adapter,pressure Test |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Woodward Fst, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 1.620 IN. LG,4.560 IN. H,0.750 IN. W IN |
| Reference Data and Literature | SERD NO. 3715; TO 6J8-31-3 |
| 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 |
|---|---|
| 502T653-01 PRIMARY | Woodward Fst, Inc (USA) |
| Reference | Meaning |
|---|---|
| 502T653-01 | 5/9 Secondary reference Textron Inc |
NSN 4920-01-108-5559 is a Adapter,pressure Test, manufactured by Woodward Fst, Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-108-5559 has 1 manufacturer part number on file: 502T653-01 (Woodward Fst, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-479-1890. Verify interchangeability with system specifications before substitution.
Key specifications for 502T653-01: General Characteristics Item Description: 1.620 IN. LG,4.560 IN. H,0.750 IN. W IN; Reference Data and Literature: SERD NO. 3715; TO 6J8-31-3; Special Features: COMPANY ITEM NAME-ADAPTER, PRESSURE TEST; End Item Identification: F100-PW-100/F100-PW-200 ENGINE FUEL NOZZLE. 2 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 4920-01-108-5559 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.