The Adapter,oil Flow Check, cataloged under National Stock Number 4920-01-199-0488, 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 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-199-0488 |
| Primary Part Number | PWA57136 |
| Item Name | Adapter,oil Flow Check |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | MATL: STEEL; ENVELOPE DIMENSIONS: 7.000 IN. LG,3.000 IN. H; C/O "U" SHAPED QUICK DISCONNECT FIXTURE IN |
| Functional Description | USED TO CONNECT PWA50019 OIL FLOW STAND TO THE MAIN GEARBOX OIL INLET FITTING AND PROVIDE AN OIL PRESSURE TAP TO MONITOR THE OIL PRESSURE |
| 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 |
|---|---|
| PWA57136 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-199-0488 is a Adapter,oil Flow Check, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-199-0488 has 1 manufacturer part number on file: PWA57136 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-232-2895, 4730-01-233-3402. Verify interchangeability with system specifications before substitution.
Key specifications for PWA57136: General Characteristics Item Description: MATL: STEEL; ENVELOPE DIMENSIONS: 7.000 IN. LG,3.000 IN. H; C/O "U" SHAPED QUICK DISCONNECT FIXTURE IN; Functional Description: USED TO CONNECT PWA50019 OIL FLOW STAND TO THE MAIN GEARBOX OIL INLET FITTING AND PROVIDE AN OIL PRESSURE TAP TO MONITOR THE OIL PRESSURE; End Item Identification: F100-PW-220 ENG.. 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.
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.