The Panel,telephone Switchboard, cataloged under National Stock Number 5805-01-503-9927, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Panel,telephone Switchboard |
| FSC / FSG | 5805 — Telephone and Telegraph Equipment (FSG 58) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5805-01-503-9927 |
| Primary Part Number | 556-7410428 AY-1 |
| Item Name | Panel,telephone Switchboard |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 556-7410428 AY-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7410428 | D/9 Drawing number reference only Naval Sea Systems Command |
| B672-2003 AY-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5805-01-503-9927 is a Panel,telephone Switchboard, manufactured by Naval Sea Systems Command, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
NSN 5805-01-503-9927 has 1 manufacturer part number on file: 556-7410428 AY-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-516-6552. 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 5805-01-503-9927 has DEMIL Code D. 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.