The Transistor, cataloged under National Stock Number 5961-01-210-4236, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Varian Associates Inc Communications Transistor Div. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-210-4236 |
| Primary Part Number | 1A5 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Varian Associates Inc Communications Transistor Div |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Material | CERAMIC ENCLOSURE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 1A5 PRIMARY | Varian Associates Inc Communications Transistor Div (USA) |
| 406274 | Varian Associates Inc Communications Transistor Div (USA) |
| Reference | Meaning |
|---|---|
| E1E5 | C/1 Advisory reference — outside the item-of-supply concept Varian Associates Inc Communications Transistor Div |
| E1E5 | C/1 Advisory reference — outside the item-of-supply concept Rf Products Inc |
NSN 5961-01-210-4236 is a Transistor, manufactured by Varian Associates Inc Communications Transistor Div, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-210-4236 has 2 manufacturer part numbers on file: 1A5 (Varian Associates Inc Communications Transistor Div), 406274 (Varian Associates Inc Communications Transistor Div).
1 possible match (shared part number, not a government interchangeability claim): 7010-01-422-3327. Verify interchangeability with system specifications before substitution.
Key specifications for 1A5: Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S); Overall Length: 0.900 INCHES NOMINAL IN; Overall Width: 0.900 INCHES NOMINAL IN. 3 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.
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.