The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-146-2102, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Compaq Federal Llc. Government technical data includes 14 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 | 5955-01-146-2102 |
| Primary Part Number | 1811660-12 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Compaq Federal Llc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Vibration Resistance Range in Hertz | +40.0 TO 500.0 |
| Frequency Per Channel | 20.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Connection Type | PRINTED CIRCUIT BOTTOM |
| Connection Contact Type and Quantity | 4 PRINTED CIRCUIT EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 50.0 |
| Identification Designator | 1811660-12-15476 |
| Average Life Measurement | NOT RATED |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | +0.0 TO 70.0 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 |
|---|---|
| 1811660-12 PRIMARY | Compaq Federal Llc (USA) |
NSN 5955-01-146-2102 is a Oscillator,crystal Controlled, manufactured by Compaq Federal Llc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-146-2102 has 1 manufacturer part number on file: 1811660-12 (Compaq Federal Llc).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-268-5254. Verify interchangeability with system specifications before substitution.
Key specifications for 1811660-12: Circuit Construction Type: SOLID STATE; Overall Height: 0.525 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Vibration Resistance Range in Hertz: +40.0 TO 500.0. 14 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 5955-01-146-2102 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.