The Transistor, cataloged under National Stock Number 5961-01-055-4346, 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 Texas Instruments Incorporated. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-055-4346 |
| Primary Part Number | ASY27 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ASY27 | Texas Instruments Incorporated (USA) |
| ASY27 | British Sarozal Ltd (GBR) |
| BFX29 | British Sarozal Ltd (GBR) |
| Reference | Meaning |
|---|---|
| BFX29 | 3/9 Design control — primary reference Semiconductor Specialist (uk) Ltd |
| ASY27 | 5/9 Secondary reference Vishay |
NSN 5961-01-055-4346 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-055-4346 has 3 manufacturer part numbers on file: ASY27 (Texas Instruments Incorporated), ASY27 (British Sarozal Ltd), BFX29 (British Sarozal Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-109-2024, 4720-01-687-8085. Verify interchangeability with system specifications before substitution.
Key specifications for ASY27: End Item Identification: 411L/E3A. 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.
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.