The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-997-0795, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Xsis Electronics Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-997-0795 |
| Primary Part Number | 13-49-36R8687B |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Xsis Electronics Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0005 TO 0.0005 |
| Terminal Diameter | 0.040 INCHES NOMINAL IN |
| Terminal Length | 0.238 INCHES NOMINAL IN |
| Mode of Oscillation | THIRD OVERTONE |
| Equivalent Resistance Value in Ohms | 50.0 NOMINAL |
| Overall Thickness | 0.147 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 2.5 MILLIWATTS NOMINAL AND 2.0 MILLIWATTS MINIMUM AND 3.0 MILLIWATTS MAXIMUM |
| Body Length | 0.515 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 NOMINAL |
| Operating Temp Range | +10.0 TO 33.0 CELSIUS DEGC |
| Specified Frequency | 36.8687 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | M |
| Part Number | Manufacturer |
|---|---|
| 13-49-36R8687B 00724 | Raytheon Company (USA) |
| 13-49-36R8687B PRIMARY | Xsis Electronics Inc (USA) |
| 13-49-36R8687B | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 13-49-36R8687B | 3/9 Design control — primary reference International Crystal Manufacturing Company Dba Icm |
| 13-49-36R8687B | 5/9 Secondary reference Raytheon Company |
NSN 5955-00-997-0795 is a Crystal Unit,quartz, manufactured by Xsis Electronics Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-997-0795 has 3 manufacturer part numbers on file: 13-49-36R8687B 00724 (Raytheon Company), 13-49-36R8687B (Xsis Electronics Inc), 13-49-36R8687B (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 13-49-36R8687B: Frequency Tolerance for Operating Temp in Percent: -0.0005 TO 0.0005; Terminal Diameter: 0.040 INCHES NOMINAL IN; Terminal Length: 0.238 INCHES NOMINAL IN; Mode of Oscillation: THIRD 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.
NSN 5955-00-997-0795 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.