The Trim Balance Kit,air Cycle Machi, cataloged under National Stock Number 4920-01-386-9979, 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 Honeywell International Inc. Div Aerospace - Torrance. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-386-9979 |
| Primary Part Number | 920156-1-1 |
| Item Name | Trim Balance Kit,air Cycle Machi |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Reference Data and Literature | SERD: 410130 |
| Functional Description | PROVIDES DIGITAL READOUTS OF COOLING TURBINE UNBALANCE MAGNITUDE (DISPLACEMENT), LOCATION (PHASE ANGLE), AND ROTATIONAL SPEED (RPM); CHECKS BALANCEOF ACM TURBINE WHEEL, P/N 2094829-13, AND COMPRESSOR IMPELLER, P/N 2205467-1, AT DEPOT LEVEL MAINTENANCE |
| 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 |
|---|---|
| 920156-1-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 4920-01-386-9979 is a Trim Balance Kit,air Cycle Machi, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-386-9979 has 1 manufacturer part number on file: 920156-1-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 920156-1-1: Reference Data and Literature: SERD: 410130; Functional Description: PROVIDES DIGITAL READOUTS OF COOLING TURBINE UNBALANCE MAGNITUDE (DISPLACEMENT), LOCATION (PHASE ANGLE), AND ROTATIONAL SPEED (RPM); CHECKS BALANCEOF ACM TURBINE WHEEL, P/N 2094829-13, AND COMPRESSOR IMPELLER, P/N 2205467-1, AT DEPOT LEVEL MAINTENANCE; End Item Identification: C-17 ACFT AGE.. 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.
NSN 4920-01-386-9979 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.