The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-003-7397, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-003-7397 |
| Primary Part Number | 538665-4-100M113000 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 AND -0.003 TO 0.003 |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | FIFTH OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 60.0 MAXIMUM |
| Overall Thickness | 0.183 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -25.0 TO 75.0 CELSIUS DEGC |
| Specified Frequency | 100.112 MEGAHERTZ |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 538665-4-100M113000 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 538665-4 | 7/2 Vendor item drawing reference Raytheon Company |
| 538665-4 | 5/9 Secondary reference Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| 150-1570 | 5/9 Secondary reference Quartztek Inc |
| 538665-4-100M113000 | 3/9 Design control — primary reference Vectron International, Inc. |
NSN 5955-01-003-7397 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-003-7397 has 1 manufacturer part number on file: 538665-4-100M113000 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
1 possible match (shared part number, not a government interchangeability claim): 3433-01-324-4736. Verify interchangeability with system specifications before substitution.
Key specifications for 538665-4-100M113000: Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002 AND -0.003 TO 0.003; Terminal Diameter: 0.017 INCHES NOMINAL IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mode of Oscillation: FIFTH OVERTONE. 15 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.