The Adapter Set,test, cataloged under National Stock Number 4920-01-503-1655, 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 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-503-1655 |
| Item Name | Adapter Set,test |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Relationship to Similar Equipment | SUPERCEEDES NSN 6150-01-309-9956 |
| Supply Items and Quantities | 5965-01-175-9133,ADAPTER, HEADSET-MICROPHONE, 81579, CE12093TRH |
| Reference Data and Literature | SERD NO. 640539 |
| Container Type | CASE |
| Nonsupply Items and Quantities | 88277,GREY PLASTIC CASE;88277 2EABRANCHED CABLE ADAPTERS; 88277, 1EA 17G641539-1 INTERFACE CABLE; 88277, 1EA 17G641539-501 INTERFACE CABLE, 88277, 1 EA COMMUNICATION CORD |
| Functional Description | MICROPHONES AND HEADSETS OF EACH UTT ARE CONNECTED THROUGH THE INTERPHONE RECEPTICLE PANEL AND GEADSET RECEPTICLE PANEL AND PERSONNEL EVALUATE BY TALKING AND LISTENING |
| Usage Design | TESTS COMMUNICATION BY INTERCOM THROUGH CHEMICAL BIOLOGICAL MASKS |
| 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 |
|---|---|
| 17G640539-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-503-1655 is a Adapter Set,test, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-503-1655: Relationship to Similar Equipment: SUPERCEEDES NSN 6150-01-309-9956; Supply Items and Quantities: 5965-01-175-9133,ADAPTER, HEADSET-MICROPHONE, 81579, CE12093TRH; Reference Data and Literature: SERD NO. 640539; Container Type: CASE. 7 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 4920-01-503-1655 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.