The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-890-9487, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-00-890-9487 |
| Primary Part Number | 1710130-1 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 AND -0.0010 TO 0.0010 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM AND 1.525 INCHES MAXIMUM IN |
| Mode of Oscillation | THIRD OVERTONE AND FIFTH OVERTONE |
| Body Width | 0.394 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 35.0 NOMINAL |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR BODY, GULL WING |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -15.0 TO 85.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 51.700 MEGAHERTZ |
| Body Thickness | 0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1710130-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| MC18A55A3 | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1710130-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5955-00-890-9487 is a Crystal Unit,quartz, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-890-9487 has 2 manufacturer part numbers on file: 1710130-1 (L3 Technologies, Inc. Div Communication Systems-East), MC18A55A3 (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6140-01-664-8658. Verify interchangeability with system specifications before substitution.
Key specifications for 1710130-1: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005 AND -0.0010 TO 0.0010; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM AND 1.525 INCHES MAXIMUM IN; Mode of Oscillation: THIRD OVERTONE AND FIFTH OVERTONE. 16 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 5955-00-890-9487 has DEMIL Code D. 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.