The Cowl Assembly,inlet,engine Testi, cataloged under National Stock Number 4920-00-862-3700, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-862-3700 |
| Item Name | Cowl Assembly,inlet,engine Testi |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | A PRODUCTION NOSE COWL WHICH HAS BEEN MODIFIED FOR ATTACHMENT TO EITHER LEFT OR RIGHT ENGINE. THE PURPOSE: WHEN ATTACHED,THE COWL ALLOWS PROPER ENGINE INLET AIRFLOW DURING ENGINE TEST AND TRIM OPERATIONS |
| Reference Data and Literature | BOEING ENGINEERING DWG F310051,SHEETS 1 THRU 5 MFR P/N F310051-500 |
| Functional Classification | DD-1.4 |
| Entry Date | 70-04-01 |
| Functional Description | USED IN CONJUNCTION WITH THE JET ENGINE FIELD MAINTENANCE TEST FACILITIES TO TEST,ADJUST; AND EVALUATE THE TF33-P-3 ENGINE PERFORMANCE IN THE QUICK ENGINE CHANGE (QEC) CONFIGURATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F310051-500 | 3/2 Design control — primary reference U.S. Government activity |
| F310051-500 | 5/2 Secondary reference U.S. Government activity |
NSN 4920-00-862-3700 is a Cowl Assembly,inlet,engine Testi, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-00-862-3700: General Characteristics Item Description: A PRODUCTION NOSE COWL WHICH HAS BEEN MODIFIED FOR ATTACHMENT TO EITHER LEFT OR RIGHT ENGINE. THE PURPOSE: WHEN ATTACHED,THE COWL ALLOWS PROPER ENGINE INLET AIRFLOW DURING ENGINE TEST AND TRIM OPERATIONS; Reference Data and Literature: BOEING ENGINEERING DWG F310051,SHEETS 1 THRU 5 MFR P/N F310051-500; Functional Classification: DD-1.4; Entry Date: 70-04-01. 5 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.