The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-400-4871, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 15 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 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 | 5955-00-400-4871 |
| Primary Part Number | 712730-24 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.010 TO 0.010 |
| Terminal Diameter | 0.030 INCHES NOMINAL IN |
| Terminal Length | 1.380 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.722 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 1500.0 NOMINAL |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Style Designator | BRACKET TYPE, WIRE LEADS |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Body Length | 0.765 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -30.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 500.000 KILOHERTZ |
| Body Thickness | 0.317 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5955-00-400-4871 is a Crystal Unit,quartz, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-400-4871 has 2 manufacturer part numbers on file: B621-2 (Bliley Technologies Inc), 712730-24 (Raytheon Company Div Rmd Strategic).
1 possible match (shared part number, not a government interchangeability claim): 6940-01-632-0925. Verify interchangeability with system specifications before substitution.
Key specifications for 712730-24: Frequency Tolerance for Operating Temp in Percent: -0.010 TO 0.010; Terminal Diameter: 0.030 INCHES NOMINAL IN; Terminal Length: 1.380 INCHES MINIMUM IN; 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.
NSN 5955-00-400-4871 has DEMIL Code Q. 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.