The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-565-7879, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Oai Electronics, Llc Div Oai Electronics. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-565-7879 |
| Primary Part Number | 277C002-6 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Oai Electronics, Llc Div Oai Electronics |
| 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 IN |
| Mode of Oscillation | FIFTH OVERTONE AND THIRD OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 60.0 MAXIMUM |
| 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 | -55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 118.003 MEGAHERTZ |
| Body Thickness | 0.150 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 |
|---|---|
| 277C002-6 | Cts Inc (USA) |
| 277C002-6 | K-W Manufacturing Company (USA) |
| 277C002-6 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 277C002-6 | Cts Valpey Corporation (USA) |
| 277C002-6 PRIMARY | Oai Electronics, Llc Div Oai Electronics (USA) |
| Reference | Meaning |
|---|---|
| 277C002-6 | 5/9 Secondary reference Electronic Research Company |
| 277C002-6 | 5/9 Secondary reference Murata Erie North America Inc State College Opns |
| 277C002-6 | 5/9 Secondary reference Inficon Edc Inc. |
NSN 5955-00-565-7879 is a Crystal Unit,quartz, manufactured by Oai Electronics, Llc Div Oai Electronics, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-565-7879 has 5 manufacturer part numbers on file: 277C002-6 (Cts Inc), 277C002-6 (K-W Manufacturing Company), 277C002-6 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 277C002-6 (Cts Valpey Corporation), 277C002-6 (Oai Electronics, Llc Div Oai Electronics).
Key specifications for 277C002-6: 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 IN; Mode of Oscillation: FIFTH OVERTONE AND THIRD 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 5955-00-565-7879 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.