The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-067-9124, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Drs Signal Solutions, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-00-067-9124 |
| Primary Part Number | 91804-5 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Drs Signal Solutions, Inc. |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.050 INCHES NOMINAL IN |
| Terminal Length | 0.238 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.725 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 290.0 NOMINAL |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 10.0 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL AND 31.5 MINIMUM AND 32.5 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Test Data Document | 81349-MILC3098/3B SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Specified Frequency | 2.000 MEGAHERTZ |
| Body Thickness | 0.317 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 91804-5 PRIMARY | Drs Signal Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 91804-05 | 5/9 Secondary reference Inficon Edc Inc. |
| 91804-5 | 5/9 Secondary reference Murata Erie North America Inc State College Opns |
| 91804-05 | 5/9 Secondary reference Piezo Crystal Co |
NSN 5955-00-067-9124 is a Crystal Unit,quartz, manufactured by Drs Signal Solutions, Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-067-9124 has 1 manufacturer part number on file: 91804-5 (Drs Signal Solutions, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-260-2287. Verify interchangeability with system specifications before substitution.
Key specifications for 91804-5: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.050 INCHES NOMINAL IN; Terminal Length: 0.238 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 17 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 5955-00-067-9124 has DEMIL Code B. 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.