The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-327-4136, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Wenzel International Inc Div Croven Crystals. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-327-4136 |
| Primary Part Number | 712757-28 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Wenzel International Inc Div Croven Crystals |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.045 TO 0.045 |
| Terminal Diameter | 0.018 INCHES NOMINAL IN |
| Overall Diameter | 0.408 INCHES MAXIMUM IN |
| Terminal Length | 0.610 INCHES MINIMUM IN |
| Mode of Oscillation | THIRD OVERTONE AND FIFTH OVERTONE |
| Equivalent Resistance Value in Ohms | 40.0 MINIMUM AND 70.0 MAXIMUM |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.335 INCHES MAXIMUM IN |
| Drive Level Rating | 1.0 MILLIWATTS NOMINAL |
| Specification/standard Data | 05869-712757 MANUFACTURERS SPECIFICATION CONTROL |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 4.5 NOMINAL |
| Operating Temp Range | -50.0 TO 70.0 CELSIUS DEGC |
| Test Data Document | 05869-712757 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Specified Frequency | 115.9375 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5955-01-327-4136 is a Crystal Unit,quartz, manufactured by Wenzel International Inc Div Croven Crystals, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-327-4136 has 2 manufacturer part numbers on file: 712757-28 (Wenzel International Inc Div Croven Crystals), 712757-28 (Raytheon Company Div Rmd Strategic).
Key specifications for 712757-28: Frequency Tolerance for Operating Temp in Percent: -0.045 TO 0.045; Terminal Diameter: 0.018 INCHES NOMINAL IN; Overall Diameter: 0.408 INCHES MAXIMUM IN; Terminal Length: 0.610 INCHES MINIMUM IN. 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.