The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-053-5477, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-053-5477 |
| Primary Part Number | 0271C0006-63 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Frequency Per Channel | 1.35547 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | WIRE LEAD TERMINALS BOTTOM |
| Connection Contact Type and Quantity | 5 WIRE LEAD TERMINALS EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 15.0 |
| Identification Designator | 0271C0006-63-54497 |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | +5.0 TO 55.0 CELSIUS DEGC |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 8.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7040-563 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 7006-63 | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA) |
| 0271C0006-63 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 26-13-63 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 0271C0006-63 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 7040-563 | 5/9 Secondary reference Spectrum Technology Inc |
| 26-13-63 | 5/9 Secondary reference Oak Crystal Inc |
NSN 5955-01-053-5477 is a Oscillator,crystal Controlled, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-053-5477 has 4 manufacturer part numbers on file: 7040-563 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 7006-63 (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.), 0271C0006-63 (Lockheed Martin Corporation Div Rms), 26-13-63 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-214-4895, 6150-01-397-1957, 5315-01-458-6920. Verify interchangeability with system specifications before substitution.
Key specifications for 0271C0006-63: Circuit Construction Type: SOLID STATE; Overall Height: 0.655 INCHES NOMINAL IN; Inclosure Type: ENCASED; Frequency Per Channel: 1.35547 MEGAHERTZ 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.
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.