The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-473-6957, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Wavetek Rf Products, Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-473-6957 |
| Primary Part Number | 201764000 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Wavetek Rf Products, Inc |
| Status | ACTIVE |
| Terminal Length | 6.8 MILLIMETERS NOMINAL MM |
| Body Width | 12.9 MILLIMETERS NOMINAL MM |
| Style Designator | RECTANGULAR BODY, PIN TERMINALS |
| Body Length | 13.0 MILLIMETERS NOMINAL MM |
| Operating Temp Range | -25.0 TO 80.0 CELSIUS DEGC |
| Specified Frequency | 40.000 MEGAHERTZ |
| Body Thickness | 5.3 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KTH089B 40MHZ 50PPM | Chungho Electronics Communication Co.,ltd (KOR) |
| 201764000 PRIMARY | Wavetek Rf Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| JC08 3B 40MHZ DIL8 | 5/9 Secondary reference Jauch + Schmid Gmbh & Co. Kg |
| JC08 3B 40MHZ DIL8 | C/1 Advisory reference — outside the item-of-supply concept Hugo Muller Gmbh & Co Kg |
| KTH089B 40MHZ 50PPM | 5/9 Secondary reference Kony Precision Co. Ltd |
| 201764000 | 5/9 Secondary reference Fluke Electronics Corp MS216 |
NSN 5955-01-473-6957 is a Crystal Unit,quartz, manufactured by Wavetek Rf Products, Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-473-6957 has 2 manufacturer part numbers on file: KTH089B 40MHZ 50PPM (Chungho Electronics Communication Co.,ltd), 201764000 (Wavetek Rf Products, Inc).
Key specifications for 201764000: Terminal Length: 6.8 MILLIMETERS NOMINAL MM; Body Width: 12.9 MILLIMETERS NOMINAL MM; Style Designator: RECTANGULAR BODY, PIN TERMINALS; Body Length: 13.0 MILLIMETERS NOMINAL MM. 7 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.
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.