The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-028-6720, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-028-6720 |
| Primary Part Number | 2887378-9 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Terminal Length | 0.325 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Mode of Oscillation | FIFTH OVERTONE |
| Center to Center Distance Between Terminals | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Drive Level Rating | 1.0 MILLIWATTS MAXIMUM |
| Operating Temp Range | -10.0 TO 70.0 CELSIUS AND -55.0 TO 105.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.0005 TO 0.0005 |
| Equivalent Resistance Value in Ohms | 50.0 NOMINAL |
| Circuit Resonance | SERIES RESONANCE |
| Diameter | 0.335 INCHES MAXIMUM IN |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Shunt Capacitance in Picofarads | 3.5 NOMINAL |
| Overall Diameter | 0.408 INCHES MAXIMUM IN |
| Specified Frequency | 137.563333 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 89-41 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 2887378-9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 021-0455-9 | Cts Inc (USA) |
| C350BDF-00-9 | Wenzel International Inc Div Croven Crystals (CAN) |
NSN 5955-01-028-6720 is a Crystal Unit,quartz, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5955 (No Item Name Available). Status: active.
NSN 5955-01-028-6720 has 4 cross-referenced part numbers: 89-41 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 2887378-9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 021-0455-9 (Cts Inc), C350BDF-00-9 (Wenzel International Inc Div Croven Crystals).
There are 12 known substitutes for 5955-01-028-6720: 5340-00-222-8567, 5930-00-252-9483, 4510-00-537-0859 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2887378-9: Terminal Length: 0.325 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Mode of Oscillation: FIFTH OVERTONE; Center to Center Distance Between Terminals: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Style Designator: HAT TYPE, 3 WIRE LEADS. 15 total characteristics are documented in the Federal Logistics Information System.