The Oscillating Group, cataloged under National Stock Number 5865-01-105-2896, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Greenray Industries, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5865-01-105-2896 |
| Primary Part Number | Y-1421-2 |
| Item Name | Oscillating Group |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | Greenray Industries, Inc. |
| Status | ACTIVE |
| End Item Source | 71034 |
| End Item Name | COUNTERMEASURES EQUIPMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| Y-1421-2 PRIMARY | Greenray Industries, Inc. (USA) |
| CM26-2 PRIMARY | Bliley Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 202498 | D/9 Drawing number reference only U.S. Government activity |
| 202498-002 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5865-01-105-2896 is a Oscillating Group, manufactured by Greenray Industries, Inc., classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-01-105-2896 has 2 manufacturer part numbers on file: Y-1421-2 (Greenray Industries, Inc.), CM26-2 (Bliley Technologies Inc).
Key specifications for Y-1421-2: End Item Source: 71034; End Item Name: COUNTERMEASURES EQUIPMENT; Special Features: SOLID STATE CONSTRUCTION; ATTENUATION IN DB NOT RATED; AVG PWR NOT RATED; 2000.0 HRS AVG LIFE RATING; 70000.0 FT MAX OPERATING ALT; OPER TEMP RANGE MINUS 65.0 TO 110.0 DEG CELSIUS;ENCAPSULATED; RECTANGULAR OR SQUARE SHAPE; 2.550 IN. LG; 2.050 IN. H; 0.540 IN. W IN; End Item Identification: AN/ALR-56C. 2 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 5865-01-105-2896 has DEMIL Code Q. 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.