The Adapter Set,aircraft Maintenance, cataloged under National Stock Number 4920-01-526-1705, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-526-1705 |
| Primary Part Number | PWA500253 |
| Item Name | Adapter Set,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Unpackaged Unit Length | 10.000 INCHES NOMINAL IN |
| Supplementary Features | ADAPTER SET WILL BE USED WITH PWA500083 (WATER WASH SYSTEM). REPLACES PWA55157 SERD 4569 ADAPTER SET. |
| Reference Data and Literature | SERD NO. 9245; T.O. 2J-F100-41 3WP 170 00 |
| Unpackaged Unit Width | 0.800 INCHES NOMINAL IN |
| Unpackaged Unit Height | 2.400 INCHES NOMINAL IN |
| Functional Description | WILL INTERFACE WITH THE ENGINE INLET, AP2, AP3, AP7 BORESCOPE PLUGS PORTS TO ALLOW THE INGESTION OF CLEANING SOLUTION. TO AID IN THE REMOVAL OF UNWANTED CONTAMINATES FROM THE ENGINE |
| 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 |
|---|---|
| PWA500253 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-526-1705 is a Adapter Set,aircraft Maintenance, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-526-1705 has 1 manufacturer part number on file: PWA500253 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA500253: Unpackaged Unit Length: 10.000 INCHES NOMINAL IN; Supplementary Features: ADAPTER SET WILL BE USED WITH PWA500083 (WATER WASH SYSTEM). REPLACES PWA55157 SERD 4569 ADAPTER SET.; Reference Data and Literature: SERD NO. 9245; T.O. 2J-F100-41 3WP 170 00; Unpackaged Unit Width: 0.800 INCHES NOMINAL IN. 6 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.
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.