The Adapter Set,aircraft Maintenance, cataloged under National Stock Number 4920-01-486-1329, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-486-1329 |
| Primary Part Number | PWA500252 |
| 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 |
| End Item Source | 77445 |
| Accessory Identifying Number | A+7 MODEL NO. AND A+2 MODEL NO. AND A+3 MODEL NO. AND PT2 MODEL NO. |
| Unpackaged Unit Length | 18.000 INCHES NOMINAL IN |
| Reference Data and Literature | SERD 9244 |
| Unpackaged Unit Width | 12.000 INCHES NOMINAL IN |
| End Item Name | TURBOFAN ENGINE |
| Unpackaged Unit Height | 6.000 INCHES NOMINAL IN |
| Accessory Controlling Agency | UNITED TECHNOLOGIES-PRATT & WHITNEY |
| Furnished Items | AP7 ADAPTER; AP2 ADAPTER; AP3 ADAPTER; PT2 ADAPTER |
| Functional Description | USED WITH PWA500083 WATER WASH SYSTEM. ADAPTERS PLUG INTO BORESCOPE PLUG OPENINGS ON BELLMOUTH TO ALLOW INGESTION OF ENGINE CLEANING SOLUTION |
| Accessory Component Quantity | 4 |
| 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 |
|---|---|
| PWA500252 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL1784365 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-486-1329 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 4920-01-486-1329 has 1 manufacturer part number on file: PWA500252 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA500252: End Item Source: 77445; Accessory Identifying Number: A+7 MODEL NO. AND A+2 MODEL NO. AND A+3 MODEL NO. AND PT2 MODEL NO.; Unpackaged Unit Length: 18.000 INCHES NOMINAL IN; Reference Data and Literature: SERD 9244. 11 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.