The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-074-1637, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Fsi/fork Standards Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-074-1637 |
| Primary Part Number | LQ-2A-7C9.93K-BL-5 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Fsi/fork Standards Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Per Channel | 709.93 KILOHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Identification Designator | LQ-2A-709.93K-BL-5-14986 A |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | +15.0 TO 35.0 CELSIUS DEGC |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 5.0 NOMINAL SINGLE VOLTAGE |
| 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 |
|---|---|
| LQ-2A-7C9.93K-BL-5 PRIMARY | Fsi/fork Standards Inc (USA) |
| Reference | Meaning |
|---|---|
| LQ-7C9.93K-BL-5 | 5/9 Secondary reference Fsi/fork Standards Inc |
NSN 5955-01-074-1637 is a Oscillator,crystal Controlled, manufactured by Fsi/fork Standards Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-074-1637 has 1 manufacturer part number on file: LQ-2A-7C9.93K-BL-5 (Fsi/fork Standards Inc).
Key specifications for LQ-2A-7C9.93K-BL-5: Circuit Construction Type: SOLID STATE; Overall Height: 0.656 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Frequency Per Channel: 709.93 KILOHERTZ NOMINAL OPERATING CHANNEL. 12 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 5955-01-074-1637 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.