The Readout Tube, cataloged under National Stock Number 4931-00-414-6780, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Astronics Test Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Readout Tube |
| FSC / FSG | 4931 — Fire Control Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Astronics Test Systems Inc (CAGE 21793) |
| Parameter | Value |
|---|---|
| NSN | 4931-00-414-6780 |
| Primary Part Number | 920217 |
| Item Name | Readout Tube |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Astronics Test Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 920217 PRIMARY | Astronics Test Systems Inc (USA) |
NSN 4931-00-414-6780 is a Readout Tube, manufactured by Astronics Test Systems Inc, classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-00-414-6780 has 1 manufacturer part number on file: 920217 (Astronics Test Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-566-1968. Verify interchangeability with system specifications before substitution.
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 4931-00-414-6780 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.