The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-225-2544, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Woodward, Inc.. Government technical data includes 16 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. 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 | 5955-01-225-2544 |
| Primary Part Number | 1680-031 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.010 TO 0.010 AND -0.030 TO 0.030 |
| Terminal Diameter | 0.032 INCHES NOMINAL IN |
| Terminal Length | 0.5003 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.715 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 250.0 MAXIMUM |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 1.0 MILLIWATTS NOMINAL AND 0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL AND 31.5 MINIMUM AND 32.5 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 1.8432 MEGAHERTZ |
| Body Thickness | 0.310 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 1680-031 PRIMARY | Woodward, Inc. (USA) |
NSN 5955-01-225-2544 is a Crystal Unit,quartz, manufactured by Woodward, Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-225-2544 has 1 manufacturer part number on file: 1680-031 (Woodward, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-340-1289. Verify interchangeability with system specifications before substitution.
Key specifications for 1680-031: Frequency Tolerance for Operating Temp in Percent: -0.010 TO 0.010 AND -0.030 TO 0.030; Terminal Diameter: 0.032 INCHES NOMINAL IN; Terminal Length: 0.5003 INCHES MINIMUM IN; Mode of Oscillation: FUNDAMENTAL. 16 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.