NSN 6645-01-421-2445 · NIIN 014212445 · Part number 4277841
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 55974
Government record, cited
NSN 6645-01-421-2445 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-421-2445. Manufacturer of record part number: 4277841.
Also searched as6645-01-421-2445 ·
6645014212445 ·
NIIN 014212445 ·
01-421-2445 ·
FSC 6645 Time Measuring Instruments · CAGE 55974 · 4277841
Manufacturer of record: Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
Identification
NSN: 6645-01-421-2445
NIIN: 014212445
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 4277841
Manufacturer: Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
General Description
The Meter,time Totalizing, cataloged under National Stock Number 6645-01-421-2445, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Meter,time Totalizing
FSC / FSG
6645 — Time Measuring Instruments (FSG 66)
Manufacturers
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (CAGE 55974)
Technical Specifications
Parameter
Value
NSN
6645-01-421-2445
Primary Part Number
4277841
Item Name
Meter,time Totalizing
FSC / FSG
6645 / 66 — Time Measuring Instruments
Manufacturer
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
No interchangeability data on file.
Other items in FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256
6645-00-001-1256 · Item name not on file
6645-00-001-4498
6645-00-001-4498 · Item name not on file
6645-00-001-4584
6645-00-001-4584 · Item name not on file
6645-00-001-9400
METER,TIME TOTALIZING
6645-00-003-0327
6645-00-003-0327 · Item name not on file
6645-00-003-0328
6645-00-003-0328 · Item name not on file
6645-00-003-0337
6645-00-003-0337 · Item name not on file
6645-00-003-0338
METER,TIME TOTALIZING
Frequently Asked Questions
What is NSN 6645-01-421-2445?
NSN 6645-01-421-2445 is a Meter,time Totalizing, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 6645, Time Measuring Instruments. Status: active.
What part numbers are listed for NSN 6645-01-421-2445?
NSN 6645-01-421-2445 has 1 manufacturer part number on file: 4277841 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Is NSN 6645-01-421-2445 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.