The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-499-7328, is classified within Federal Supply Class 5955 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-499-7328 |
| Primary Part Number | 712732-21 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0025 TO 0.0025 AND -0.0050 TO 0.0050 |
| Style Designator | RECTANGULAR BODY, GULL WING |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 40.0 NOMINAL |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Terminal Diameter | 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | THIRD OVERTONE AND FIFTH OVERTONE |
| Specified Frequency | 29.530 MEGAHERTZ |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -40.0 TO 65.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 712732-21 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| ERC1166-021 | Electronic Research Company (USA) |
| 99-83 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| X1012-21 | Stellant Systems Inc (USA) |
NSN 5955-00-499-7328 is a Crystal Unit,quartz, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-00-499-7328 has 4 cross-referenced part numbers: 712732-21 (Raytheon Company Div Rmd Strategic), ERC1166-021 (Electronic Research Company), 99-83 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), X1012-21 (Stellant Systems Inc).
There are 6 known substitutes for 5955-00-499-7328: 5935-00-161-4716, 3990-00-850-8123, 5330-01-138-5254 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 712732-21: Frequency Tolerance for Operating Temp in Percent: -0.0025 TO 0.0025 AND -0.0050 TO 0.0050; Style Designator: RECTANGULAR BODY, GULL WING; Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Equivalent Resistance Value in Ohms: 40.0 NOMINAL. 18 total characteristics are documented in the Federal Logistics Information System.