The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-112-3155, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-112-3155 |
| Primary Part Number | WS 15131/4 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.010 TO 0.010 |
| Equivalent Resistance Value in Ohms | 5000.0 MAXIMUM |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Specified Frequency | 409.600 KILOHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WS15131/4 | O T S I (USA) |
| WS 15131/4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| WS15131-4 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5955-01-112-3155 is a Crystal Unit,quartz, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-112-3155 has 2 manufacturer part numbers on file: WS15131/4 (O T S I), WS 15131/4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for WS 15131/4: Frequency Tolerance for Operating Temp in Percent: -0.010 TO 0.010; Equivalent Resistance Value in Ohms: 5000.0 MAXIMUM; Drive Level Rating: 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM; Specified Frequency: 409.600 KILOHERTZ. 4 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 5955-01-112-3155 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.