NSN 5961-01-673-7721 · NIIN 016737721 · Part number 040-21521-88
Kato Engineering Inc. · FSC 5961 — Semiconductor Devices and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 32770
Government record, cited
NSN 5961-01-673-7721 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-673-7721. Manufacturer of record part number: 040-21521-88.
Also searched as5961-01-673-7721 ·
5961016737721 ·
NIIN 016737721 ·
01-673-7721 ·
FSC 5961 Semiconductor Devices and Associated Hardware · CAGE 32770 · 040-21521-88 · 099-00239-15 REV D ITEM 33
FSC: 5961 — Semiconductor Devices and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 040-21521-88
Manufacturer: Kato Engineering Inc.
General Description
The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-673-7721, 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 Kato Engineering Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5961-01-673-7721
Primary Part Number
040-21521-88
Item Name
Semiconductor Device,diode
FSC / FSG
5961 / 59 — Semiconductor Devices and Associated Hardware
Other items in FSC 5961 — Semiconductor Devices and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5961-00-000-0150
RECTIFIER,SEMICONDUCTOR DEVICE,U
5961-00-000-4541
5961-00-000-4541 · Item name not on file
5961-00-000-5400
5961-00-000-5400 · Item name not on file
5961-00-000-7614
5961-00-000-7614 · Item name not on file
5961-00-000-8760
5961-00-000-8760 · Item name not on file
5961-00-001-1352
5961-00-001-1352 · Item name not on file
5961-00-001-2624
5961-00-001-2624 · Item name not on file
5961-00-001-2978
SEMICONDUCTOR DEVICE,DIODE
Frequently Asked Questions
What is NSN 5961-01-673-7721?
NSN 5961-01-673-7721 is a Semiconductor Device,diode, manufactured by Kato Engineering Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
What part numbers are listed for NSN 5961-01-673-7721?
NSN 5961-01-673-7721 has 1 manufacturer part number on file: 040-21521-88 (Kato Engineering Inc.).
What are the specifications of 040-21521-88?
Key specifications for 040-21521-88: Part Name Assigned by Controlling Agency: RECTIFIER ASSEMBLY; End Item Identification: GENERATOR 250. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5961-01-673-7721 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.