PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1841017-1Meter,time Totalizing

Emcore Space & Navigation Corporation Div Space & Navigation · NSN 6645-00-903-3731 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-903-3731 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-903-3731. Primary manufacturer part number: 1841017-1.
Features
  • Meter,time Totalizing — FSC 6645
  • Mounting Type: BRACKET
  • Background Color: BLACK
  • Smallest Increment Indicated: 1.00
  • Maximum Measurement: 9999.00
  • Reset Feature: NOT PROVIDED
  • Mounting Configuration: MTD BY ONE 4-40 THD SELF LOCKING NUT AND ONE 0.125 IN. DIA MTG HOLE ON BRACKET IN
  • Hermetic Protection: PROVIDED
Applications
  • Applications requiring Aluminum or Steel Case construction
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-00-903-3731, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Emcore Space & Navigation Corporation Div Space & Navigation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-903-3731
Primary Part Number1841017-1
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerEmcore Space & Navigation Corporation Div Space & Navigation
StatusACTIVE
Mounting TypeBRACKET
Background ColorBLACK
Smallest Increment Indicated1.00
Maximum Measurement9999.00
Reset FeatureNOT PROVIDED
Mounting ConfigurationMTD BY ONE 4-40 THD SELF LOCKING NUT AND ONE 0.125 IN. DIA MTG HOLE ON BRACKET IN
Hermetic ProtectionPROVIDED
Operating Frequency400.0 HERTZ NOMINAL
Electrical Movement TypeSYNCHRONOUS MOTOR
Measurement UnitHOURS
Unit TypeMOUNTED
Marking ColorWHITE NUMERALS
Voltage Rating26.0 VOLTS NOMINAL
Indicator TypeDRUM REGISTER
MaterialALUMINUM OR STEEL CASE
Movement TypeELECTRICAL
Terminal Quantity2
Terminal TypeWIRE HOOK
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6740-00-003-6487 INTERCHANGEABLE
Grid Assembly,light
5307-01-269-453925C-8 INTERCHANGEABLE
Stud,plain
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
C19276 Vdo Control Systems Inc (USA)
25C8 Elgin National Industries Inc (USA)
1841017-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
1841017-1 Honeywell Intl Inc Defense Avionics Systems (USA)
1841017-1 PRIMARY Emcore Space & Navigation Corporation Div Space & Navigation (USA)
Related Parts
6740-00-003-6487INTERCHANGEABLE
GRID ASSEMBLY,LIGHT
5307-01-269-4539INTERCHANGEABLE
STUD,PLAIN
25C-8

Frequently Asked Questions

What is NSN 6645-00-903-3731?

NSN 6645-00-903-3731 is a Meter,time Totalizing, manufactured by Emcore Space & Navigation Corporation Div Space & Navigation, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-903-3731?

NSN 6645-00-903-3731 has 5 cross-referenced part numbers: C19276 (Vdo Control Systems Inc), 25C8 (Elgin National Industries Inc), 1841017-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 1841017-1 (Honeywell Intl Inc Defense Avionics Systems), 1841017-1 (Emcore Space & Navigation Corporation Div Space & Navigation).

What NSN replaces 6645-00-903-3731?

There are 2 known substitutes for 6645-00-903-3731: 6740-00-003-6487, 5307-01-269-4539. Verify interchangeability with system specifications before substitution.

What are the specifications of 1841017-1?

Key specifications for 1841017-1: Overall Depth: 1.781 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN; Mounting Type: BRACKET; Background Color: BLACK. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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