NSN 5845-00-421-4357 — this item is cataloged by the U.S. Government under National Stock Number 5845-00-421-4357. Manufacturer of record part number: 66191-1.
Manufacturer of record: L3harris Technologies, Inc.
Identification
NSN: 5845-00-421-4357
NIIN: 004214357
FSC: 5845 — Underwater Sound Equipment
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 66191-1
Manufacturer: L3harris Technologies, Inc.
General Description
The Tailpiece,fairing, cataloged under National Stock Number 5845-00-421-4357, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3harris Technologies, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
Other items in FSC 5845 — Underwater Sound Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5845-00-001-3622
5845-00-001-3622 · Item name not on file
5845-00-001-3623
5845-00-001-3623 · Item name not on file
5845-00-001-3625
DETECTING-RANGING SET SUBASSEMBL
5845-00-001-3627
5845-00-001-3627 · Item name not on file
5845-00-001-3628
5845-00-001-3628 · Item name not on file
5845-00-001-3629
5845-00-001-3629 · Item name not on file
5845-00-001-8053
5845-00-001-8053 · Item name not on file
5845-00-003-0332
5845-00-003-0332 · Item name not on file
Frequently Asked Questions
What is NSN 5845-00-421-4357?
NSN 5845-00-421-4357 is a Tailpiece,fairing, manufactured by L3harris Technologies, Inc., classified under FSC 5845, Underwater Sound Equipment. Status: active.
What part numbers are listed for NSN 5845-00-421-4357?
NSN 5845-00-421-4357 has 1 manufacturer part number on file: 66191-1 (L3harris Technologies, Inc.).
Is NSN 5845-00-421-4357 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.