The Switchboard,alarm,shipboard, cataloged under National Stock Number 6320-01-145-1503, is classified within Federal Supply Class 6320 (Shipboard Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Dynalec Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6320-01-145-1503 |
| Primary Part Number | 003455-250 AND -300 |
| Item Name | Switchboard,alarm,shipboard |
| FSC / FSG | 6320 / 63 — Shipboard Alarm and Signal Systems |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Phase | SINGLE |
| Unpackaged Unit Weight | 182.000 POUNDS NOMINAL LBS |
| Circuit Capacity | 120 |
| AC Voltage Rating | 115.0 VOLTS NOMINAL |
| DC Voltage Rating | 5.0 VOLTS NOMINAL |
| Mounting Method | BULKHEAD |
| Reference Data and Literature | NAVSEA NO. 0965-049-9010 |
| Front Type | LIVE |
| Nondefinitive Spec/std Data | 120 NUMBER AND 120 SIZE AND IC/SM TYPE |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 003455-253-0 | Dynalec Corporation (USA) |
| 003455-250 AND -300 PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3455-250-300 | 5/9 Secondary reference U.S. Government activity |
| 003455-250 AND- | 5/9 Secondary reference Dynalec Corporation |
| MIL-A-17196 | 4/1 Identification reference U.S. Government activity |
| IC/SM-120 | 5/9 Secondary reference U.S. Government activity |
| 3455 ITEM 250 AND ITEM 300 | 5/9 Secondary reference U.S. Government activity |
NSN 6320-01-145-1503 is a Switchboard,alarm,shipboard, manufactured by Dynalec Corporation, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
NSN 6320-01-145-1503 has 2 manufacturer part numbers on file: 003455-253-0 (Dynalec Corporation), 003455-250 AND -300 (Dynalec Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 6320-01-145-2742, 6320-01-148-8125, 6320-01-149-5758. Verify interchangeability with system specifications before substitution.
Key specifications for 003455-250 AND -300: Overall Height: 32.500 INCHES NOMINAL IN; Phase: SINGLE; Unpackaged Unit Weight: 182.000 POUNDS NOMINAL LBS; Circuit Capacity: 120. 10 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.
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.