The Test Equipment,helicopter Rotor, cataloged under National Stock Number 4920-01-412-4416, 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 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-412-4416 |
| Item Name | Test Equipment,helicopter Rotor |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Unpackaged Unit Length | 10.750 INCHES NOMINAL IN |
| Supplementary Features | SUPERSEDED BY VXP NSN 4920-01-579-3762 |
| Reference Data and Literature | BRAND NAME OR EQUAL(BNOE)DOCUMENT(BNOE-91RP01) |
| Unpackaged Unit Width | 7.000 INCHES NOMINAL IN |
| Unpackaged Unit Height | 2.000 INCHES NOMINAL IN |
| Functional Description | USED FOR TRACKING/BALANCING HELICOPTER ROTOR SYSTEMS AND FIXED WING PROPELLER SYSTEMS.TROUBLESHOOTING VIBRATION PROBLEMS AND PERFORMS ACFT VIBRATION SPECTRUM ANALYSIS ON THE FOLLOWING ACFT;UH-1N/HH-1H: CH-3E/EH-3E:CH-53A/MN-53J: MH-60G: AND C-130 A |
| 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 |
| Reference | Meaning |
|---|---|
| 9935-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-412-4416 is a Test Equipment,helicopter Rotor, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5365-01-735-7063. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-01-412-4416: Unpackaged Unit Length: 10.750 INCHES NOMINAL IN; Supplementary Features: SUPERSEDED BY VXP NSN 4920-01-579-3762; Reference Data and Literature: BRAND NAME OR EQUAL(BNOE)DOCUMENT(BNOE-91RP01); Unpackaged Unit Width: 7.000 INCHES NOMINAL IN. 6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.
NSN 4920-01-412-4416 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.