The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-184-2750, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Monitor Products Co. Inc. Dba Monitor Products Co. Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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.
| Parameter | Value |
|---|---|
| NSN | 5955-01-184-2750 |
| Primary Part Number | KT0-5-12MHZ |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. |
| Status | ACTIVE |
| FSC Application Data | AN/APN-200 |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Overall Diameter | 0.380 INCHES NOMINAL IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 3.0 MINIMUM AND 80.0 MAXIMUM |
| Style Designator | HAT TYPE, 4 WIRE LEADS |
| Drive Level Rating | 0.05 MILLIWATTS NOMINAL |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 5.0 NOMINAL |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Specified Frequency | 12.000 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KT0-5-12MHZ PRIMARY | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA) |
| 48-10-1 PRIMARY | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| SCDCE0018-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5955-01-184-2750 is a Crystal Unit,quartz, manufactured by Monitor Products Co. Inc. Dba Monitor Products Co. Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-184-2750 has 3 manufacturer part numbers on file: KT0-5-12MHZ (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.), 48-10-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), SCDCE0018-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-390-1034. Verify interchangeability with system specifications before substitution.
Key specifications for KT0-5-12MHZ: FSC Application Data: AN/APN-200; Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Overall Diameter: 0.380 INCHES NOMINAL IN; Terminal Length: 0.500 INCHES MINIMUM IN. 12 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 5955-01-184-2750 has DEMIL Code B. 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.