The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-126-8959, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Otis Elevator Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-126-8959 |
| Primary Part Number | C0231T4Y2-88MHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Otis Elevator Co |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCAPSULATED |
| Frequency Per Channel | 2.8 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | WIRE LEAD TERMINALS BOTTOM |
| Connection Contact Type and Quantity | 4 WIRE LEAD TERMINALS EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Identification Designator | C0231T4Y2-88MHZ-27082 MHz |
| Average Life Measurement | NOT RATED |
| 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 |
|---|---|
| C0231T4Y2-88MHZ PRIMARY | Otis Elevator Co (USA) |
| Reference | Meaning |
|---|---|
| 131022-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5955-01-126-8959 is a Oscillator,crystal Controlled, manufactured by Otis Elevator Co, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-126-8959 has 1 manufacturer part number on file: C0231T4Y2-88MHZ (Otis Elevator Co).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-281-5035. Verify interchangeability with system specifications before substitution.
Key specifications for C0231T4Y2-88MHZ: Circuit Construction Type: SOLID STATE; Overall Height: 0.500 INCHES NOMINAL IN; Inclosure Type: ENCAPSULATED; Frequency Per Channel: 2.8 MEGAHERTZ NOMINAL OPERATING CHANNEL. 9 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 5955-01-126-8959 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.