NSN 5961-01-181-5965 · NIIN 011815965 · Part number 340449
Northrop Grumman Corp Electronic Systems Defensive System Div · FSC 5961 — Semiconductor Devices and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 22915
Government record, cited
NSN 5961-01-181-5965 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-181-5965. Manufacturer of record part number: 340449.
Manufacturer of record: Northrop Grumman Corp Electronic Systems Defensive System Div
Identification
NSN: 5961-01-181-5965
NIIN: 011815965
FSC: 5961 — Semiconductor Devices and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 340449
Manufacturer: Northrop Grumman Corp Electronic Systems Defensive System Div
General Description
The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-181-5965, 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 Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5961-01-181-5965
Primary Part Number
340449
Item Name
Semiconductor Devices,unitized
FSC / FSG
5961 / 59 — Semiconductor Devices and Associated Hardware
Manufacturer
Northrop Grumman Corp Electronic Systems Defensive System Div
Status
ACTIVE
Mounting Method
TERMINAL
Semiconductor Material
SILICON ALL TRANSISTOR
Component Name and Quantity
4 TRANSISTOR
Terminal Type and Quantity
14 PIN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5961-01-272-725320-01128-001POSSIBLE MATCH
TRANSISTOR
Possible match (shared part number)Raytheon Company
3040-01-331-2918441328POSSIBLE MATCH
BRAKE SHOE
Possible match (shared part number)Marine Systems Inc Div Mid-West
5961-01-334-8648351-2466-012POSSIBLE MATCH
SEMICONDUCTOR DEVICES,UNITIZED
Possible match (shared part number)Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-01-359-0311POSSIBLE MATCH
SEMICONDUCTOR DEVICES,UNITIZED
Possible match (shared part number)
5962-01-361-8029NSQ1035XPOSSIBLE MATCH
MICROCIRCUIT,DIGITAL-LINEAR
Possible match (shared part number)Microsemi Corp - Massachusetts
3950-01-718-111234-0449POSSIBLE MATCH
TENSIONER PULLEY ASSEMBLY
Possible match (shared part number)Dayco Products Llc
Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
Reference documents
Reference
Meaning
MHQ6002HX
5/1Secondary reference
Freescale Semiconductor, Inc.
0N370155-1
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
5961-01-272-7253POSSIBLE MATCH
TRANSISTOR
20-01128-001
3040-01-331-2918POSSIBLE MATCH
BRAKE SHOE
441328
5961-01-334-8648POSSIBLE MATCH
SEMICONDUCTOR DEVICES,UNITIZED
351-2466-012
5961-01-359-0311POSSIBLE MATCH
SEMICONDUCTOR DEVICES,UNITIZED
5962-01-361-8029POSSIBLE MATCH
MICROCIRCUIT,DIGITAL-LINEAR
NSQ1035X
3950-01-718-1112POSSIBLE MATCH
TENSIONER PULLEY ASSEMBLY
34-0449
Frequently Asked Questions
What is NSN 5961-01-181-5965?
NSN 5961-01-181-5965 is a Semiconductor Devices,unitized, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
What part numbers are listed for NSN 5961-01-181-5965?
NSN 5961-01-181-5965 has 3 manufacturer part numbers on file: CSP164 (Crystalonics, Inc.), PK3940 (Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown), 340449 (Northrop Grumman Corp Electronic Systems Defensive System Div).
What NSN replaces 5961-01-181-5965?
6 possible matches (shared part number, not a government interchangeability claim): 5961-01-272-7253, 3040-01-331-2918, 5961-01-334-8648. Verify interchangeability with system specifications before substitution.
What are the specifications of 340449?
Key specifications for 340449: Mounting Method: TERMINAL; Semiconductor Material: SILICON ALL TRANSISTOR; Component Name and Quantity: 4 TRANSISTOR; Terminal Type and Quantity: 14 PIN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5961-01-181-5965 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.