The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-065-7778, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-065-7778 |
| Primary Part Number | 277-0419-010 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCAPSULATED |
| Average Power Rating Per Channel | 12.0 WATTS INPUT |
| Frequency Per Channel | 1.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Signal Voltage Rating Per Channel | 26.000 VOLTS NOMINAL INPUT |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 70000.0 FEET FT |
| Average Life Measurement | NOT RATED |
| Environmental Protection | MOISTURE PROOF AND SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | -55.0 TO 90.0 CELSIUS DEGC |
| Installation Design | MODULE |
| 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 |
|---|---|
| 277-0419-010 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| EROS-800-C-122B | 5/9 Secondary reference Inficon Edc Inc. |
| EROS-800-C122 | 5/9 Secondary reference Q-Tech Corp Dba Q-Tech Corp |
| EROS-800-C122 | 5/9 Secondary reference Electronic Research Company |
| 277-0419-010 | 5/2 Secondary reference U.S. Government activity |
| 277-0419 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| C-122B | 5/9 Secondary reference Electronic Research Company |
| EROS-800-C-122B | 5/9 Secondary reference Electronic Research Company |
NSN 5955-01-065-7778 is a Oscillator,crystal Controlled, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-065-7778 has 1 manufacturer part number on file: 277-0419-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-154-2434. Verify interchangeability with system specifications before substitution.
Key specifications for 277-0419-010: Circuit Construction Type: SOLID STATE; Overall Height: 1.500 INCHES NOMINAL IN; Inclosure Type: ENCAPSULATED; Average Power Rating Per Channel: 12.0 WATTS INPUT. 11 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 5955-01-065-7778 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.