The Accessory Set,interface Device, cataloged under National Stock Number 4920-00-003-5567, 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 Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-003-5567 |
| Primary Part Number | 2129321-1 |
| Item Name | Accessory Set,interface Device |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| FSC Application Data | 4920-01-009-4802; AN/GSM 229 |
| Supplementary Features | TEST PACKAGE NAME-EMERGENCY GENERATOR CONTROL UNIT TEST PACKAGE |
| Reference Data and Literature | SERD NO. 0432 |
| Functional Description | USED TO INTERFACE UUT WITH TEST STATION |
| 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 |
|---|---|
| 2129321-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 2129321-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 4920-00-003-5567 is a Accessory Set,interface Device, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-003-5567 has 1 manufacturer part number on file: 2129321-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for 2129321-1: FSC Application Data: 4920-01-009-4802; AN/GSM 229; Supplementary Features: TEST PACKAGE NAME-EMERGENCY GENERATOR CONTROL UNIT TEST PACKAGE; Reference Data and Literature: SERD NO. 0432; Special Features: C/O (1) 1992625-1 GENERATOR CONTROL TEST PKG; (1) 2143293-1 SPEC PURPOSE ELECT CABLE; (1) 21442259-1 GENERATOR CONTROL UNIT CONTROL PANEL EXTERNAL EMPEDANCE ASSY; (1) 2144501-1 ELECTRICAL SPEC PURPOSE CABLE ASSY. 4 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 4920-00-003-5567 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.