The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-196-4761, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bliley Technologies Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-196-4761 |
| Primary Part Number | 7240-0003 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bliley Technologies Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Terminal Length | 0.312 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.400 INCHES NOMINAL IN |
| Overall Thickness | 0.180 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Load Capacitance in Picofarads | 34.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | +0.0 TO 80.0 CELSIUS DEGC |
| Specified Frequency | 16.227833 MEGAHERTZ |
| Body Thickness | 0.166 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7240-0003 | Bliley Technologies Inc (USA) |
| 8231921 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 7240-0003 | C/1 Advisory reference — outside the item-of-supply concept Amex Systems Inc |
| 8231921 | 5/9 Secondary reference Piezo Crystal Co |
| 823-1921REVB | 5/9 Secondary reference Piezo Crystal Co |
| 7240-0003 | 5/9 Secondary reference Alliedsignal Inc Ocean Systems Div |
| 7240-0003 | 5/9 Secondary reference Science Applications Intl Corp Range Systems |
| 7240-0003 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-196-4761 is a Crystal Unit,quartz, manufactured by Bliley Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-196-4761 has 2 manufacturer part numbers on file: 7240-0003 (Bliley Technologies Inc), 8231921 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 7240-0003: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.017 INCHES NOMINAL IN; Terminal Length: 0.312 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 5955-01-196-4761 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.