The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-113-5937, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is M-Tron Industries, Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-113-5937 |
| Primary Part Number | MP1-4.000000MHZ |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | M-Tron Industries, Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0025 TO 0.0025 |
| Terminal Diameter | 0.43 MILLIMETERS NOMINAL MM |
| Terminal Length | 38.1 MILLIMETERS NOMINAL MM |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 10.05 MILLIMETERS NOMINAL MM |
| Equivalent Resistance Value in Ohms | 100.0 MAXIMUM |
| Overall Thickness | 4.65 MILLIMETERS MAXIMUM MM |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 10.0 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 4.88 MILLIMETERS NOMINAL MM |
| Load Capacitance in Picofarads | 18.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | -20.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 4.000 MEGAHERTZ |
| Body Thickness | 3.65 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| MP1-4.000000MHZ PRIMARY | M-Tron Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2030015 | C/1 Advisory reference — outside the item-of-supply concept Eip Microwave Inc |
| 2030015-00 | C/1 Advisory reference — outside the item-of-supply concept Eip Microwave Inc |
| MP-1-4.0MHZ | C/1 Advisory reference — outside the item-of-supply concept M-Tron Industries, Inc |
NSN 5955-01-113-5937 is a Crystal Unit,quartz, manufactured by M-Tron Industries, Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-113-5937 has 1 manufacturer part number on file: MP1-4.000000MHZ (M-Tron Industries, Inc).
Key specifications for MP1-4.000000MHZ: Frequency Tolerance for Operating Temp in Percent: -0.0025 TO 0.0025; Terminal Diameter: 0.43 MILLIMETERS NOMINAL MM; Terminal Length: 38.1 MILLIMETERS NOMINAL MM; Mode of Oscillation: FUNDAMENTAL. 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.