The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-439-9667, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Controls Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-439-9667 |
| Primary Part Number | 638159-01 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bae Systems Controls Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 638159-01 | Xsis Electronics Inc (USA) |
| 638159-01 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 638159-01 PRIMARY | Bae Systems Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| NH638159-1 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 638159-01 | 5/9 Secondary reference I J Safety Distributors Inc |
| 638159-01 | 5/9 Secondary reference Vectron International Div. of Dover Electronics Inc |
NSN 5955-01-439-9667 is a Oscillator,crystal Controlled, manufactured by Bae Systems Controls Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-439-9667 has 3 manufacturer part numbers on file: 638159-01 (Xsis Electronics Inc), 638159-01 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 638159-01 (Bae Systems Controls Inc).
Key specifications for 638159-01: Special Features: IC,100KHZ KHz; End Item Identification: FLIGHT CONTROL E/I FSCM 76823. 0 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 5955-01-439-9667 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.