The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-012-9883, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-012-9883 |
| Primary Part Number | A257FWJ00-5-000MHZ |
| 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 | -0.005 TO 0.005 |
| Terminal Diameter | 0.042 INCHES MAXIMUM IN |
| Terminal Length | 0.223 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.397 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 50.0 MAXIMUM |
| Overall Thickness | 0.185 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 10.0 MILLIWATTS NOMINAL |
| Body Length | 0.525 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.200 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -40.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 5.000 MEGAHERTZ |
| Body Thickness | 0.149 INCHES MAXIMUM IN |
| 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 |
|---|---|
| A257FWJ00-5-000MHZ PRIMARY | Wenzel International Inc Div Croven Crystals (CAN) |
| A257FWJ00-5-00MHZ | Wenzel International Inc Div Croven Crystals (CAN) |
| Reference | Meaning |
|---|---|
| 40-004560-02 | 5/9 Secondary reference Interlink Communications Inc |
NSN 5955-01-012-9883 is a Crystal Unit,quartz, manufactured by Wenzel International Inc Div Croven Crystals, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-012-9883 has 2 manufacturer part numbers on file: A257FWJ00-5-000MHZ (Wenzel International Inc Div Croven Crystals), A257FWJ00-5-00MHZ (Wenzel International Inc Div Croven Crystals).
Key specifications for A257FWJ00-5-000MHZ: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.042 INCHES MAXIMUM IN; Terminal Length: 0.223 INCHES MAXIMUM 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.
NSN 5955-01-012-9883 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.