The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-019-5375, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Colorado Crystal Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-019-5375 |
| Primary Part Number | PB7003-1 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Colorado Crystal Corporation |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 |
| Terminal Diameter | 0.007 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Terminal Length | 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Mode of Oscillation | SEVENTH OVERTONE |
| Equivalent Resistance Value in Ohms | 100.0 MAXIMUM |
| Overall Thickness | 0.166 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE |
| Drive Level Rating | 4.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.182 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 3.5 MINIMUM AND 4.5 MAXIMUM |
| Operating Temp Range | -50.0 TO 75.0 CELSIUS DEGC |
| Specified Frequency | 140.750 MEGAHERTZ |
| 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 |
|---|---|
| PB7003-1 PRIMARY | Colorado Crystal Corporation (USA) |
| Reference | Meaning |
|---|---|
| 82216-1 | 5/9 Secondary reference Whittaker Corp Whittaker Electronic Systems Div |
NSN 5955-01-019-5375 is a Crystal Unit,quartz, manufactured by Colorado Crystal Corporation, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-019-5375 has 1 manufacturer part number on file: PB7003-1 (Colorado Crystal Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-215-1074. Verify interchangeability with system specifications before substitution.
Key specifications for PB7003-1: Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001; Terminal Diameter: 0.007 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN; Terminal Length: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN; Mode of Oscillation: SEVENTH OVERTONE. 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.
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.