The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-561-5174, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Citizen American Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-561-5174 |
| Primary Part Number | HC49US5.000MABJ-UB |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Citizen American Corp |
| Status | ACTIVE |
| Operable Temp Range | -20.0 TO 70.0 CELSIUS DEGC |
| Terminal Diameter | 0.430 INCHES NOMINAL IN |
| Terminal Length | 19.000 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 11.500 INCHES NOMINAL IN |
| Equivalent Resistance Value in Ohms | 150.0 NOMINAL |
| Overall Thickness | 4.650 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 100.0 MILLIWATTS NOMINAL |
| Load Capacitance in Picofarads | 18.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 7.0 NOMINAL |
| Specified Frequency | 5.000 HERTZ |
| 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 |
|---|---|
| HC49US5.000MABJ-UB PRIMARY | Citizen American Corp (USA) |
NSN 5955-01-561-5174 is a Crystal Unit,quartz, manufactured by Citizen American Corp, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-561-5174 has 1 manufacturer part number on file: HC49US5.000MABJ-UB (Citizen American Corp).
Key specifications for HC49US5.000MABJ-UB: Operable Temp Range: -20.0 TO 70.0 CELSIUS DEGC; Terminal Diameter: 0.430 INCHES NOMINAL IN; Terminal Length: 19.000 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 13 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 5955-01-561-5174 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.