The Adapter Kit,test, cataloged under National Stock Number 4920-01-331-1401, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-331-1401 |
| Primary Part Number | PWA56120 |
| Item Name | Adapter Kit,test |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Supplementary Features | COMPANY ITEM NAME-ADAPTER KIT |
| Reference Data and Literature | SERD NO. 6274 |
| Functional Description | USED TO POSITION AND SECURE THE RIGID BORESCOPE FOR AIRFOIL INSPECTION,DEFECT MEASUREMENT AND PHOTOGRAPHS |
| 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 |
|---|---|
| PWA56120 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| PWA56120C | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0874403 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-331-1401 is a Adapter Kit,test, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-331-1401 has 2 manufacturer part numbers on file: PWA56120 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), PWA56120C (Rtx Corporation Div Pratt & Whitney).
Key specifications for PWA56120: Supplementary Features: COMPANY ITEM NAME-ADAPTER KIT; Reference Data and Literature: SERD NO. 6274; Special Features: USED WITH BORESCOPES 6650-01-261-1216 AND 6650-01-317-0015; Functional Description: USED TO POSITION AND SECURE THE RIGID BORESCOPE FOR AIRFOIL INSPECTION,DEFECT MEASUREMENT AND PHOTOGRAPHS. 3 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 4920-01-331-1401 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.