The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-181-3040, 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 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-181-3040 |
| Primary Part Number | SC5955-0010-1 |
| 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 |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.018 INCHES NOMINAL IN |
| Overall Diameter | 0.420 INCHES MAXIMUM IN |
| Terminal Length | 0.600 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 75.0 MAXIMUM |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.326 INCHES MAXIMUM IN |
| Drive Level Rating | 1.0 MILLIWATTS MINIMUM AND 3.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Specified Frequency | 16.7772 MEGAHERTZ |
| 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 |
|---|---|
| SC5955-0010-1 | Wenzel International Inc Div Croven Crystals (CAN) |
| SC5955-0010-1 PRIMARY | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA) |
| SC5955-0010-1 PRIMARY | Power Control Devices, Inc. (USA) |
| SC5955-0010-1 PRIMARY | Cts Inc (USA) |
| Reference | Meaning |
|---|---|
| 5955-0010-1 16.7772M | C/1 Advisory reference — outside the item-of-supply concept Drs Icas, Llc |
| SC5955-0010-1 | 5/9 Secondary reference Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| SC5955-0010-1 | 7/9 Vendor item drawing reference Drs Icas, Llc |
NSN 5955-01-181-3040 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 5955-01-181-3040 has 4 manufacturer part numbers on file: SC5955-0010-1 (Wenzel International Inc Div Croven Crystals), SC5955-0010-1 (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.), SC5955-0010-1 (Power Control Devices, Inc.), SC5955-0010-1 (Cts Inc).
Key specifications for SC5955-0010-1: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.018 INCHES NOMINAL IN; Overall Diameter: 0.420 INCHES MAXIMUM IN; Terminal Length: 0.600 INCHES MINIMUM IN. 14 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 5955-01-181-3040 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.