PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DC3261Meter,time Totalizing

Bowmar Llc Dba Bowmar Instrument Corp · NSN 6645-00-940-0774 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-940-0774 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-940-0774. Primary manufacturer part number: DC3261.
Features
  • Meter,time Totalizing — FSC 6645
  • Terminal Type: TURRET
  • Mounting Configuration: TWO 0.125 IN. DIA MTG HOLES SPACED 1.000 IN. C TO C IN
  • Flange Height: 0.930 INCHES NOMINAL IN
  • Marking Color: WHITE NUMERALS
  • Material: ALUMINUM OR STEEL CASE
  • Mounting Method: SEMIFLUSH
  • Indicator Type: DRUM REGISTER
Applications
  • Applications requiring Aluminum or Steel Case construction
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-00-940-0774, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bowmar Llc Dba Bowmar Instrument Corp. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-940-0774
Primary Part NumberDC3261
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerBowmar Llc Dba Bowmar Instrument Corp
StatusACTIVE
Terminal TypeTURRET
Mounting ConfigurationTWO 0.125 IN. DIA MTG HOLES SPACED 1.000 IN. C TO C IN
Flange Height0.930 INCHES NOMINAL IN
Marking ColorWHITE NUMERALS
MaterialALUMINUM OR STEEL CASE
Mounting MethodSEMIFLUSH
Indicator TypeDRUM REGISTER
Maximum Measurement9999.00
Operating Frequency400.0 HERTZ NOMINAL
Measurement UnitHOURS
Hermetic ProtectionPROVIDED
Unit TypeMOUNTED
Background ColorBLACK
Body Depth1.280 INCHES NOMINAL IN
Electrical Movement TypeSYNCHRONOUS MOTOR
Movement TypeELECTRICAL
Voltage Rating115.0 VOLTS NOMINAL
Reset FeaturePROVIDED
Smallest Increment Indicated1.00
Terminal Quantity3
Body Diameter0.670 INCHES NOMINAL IN
Mounting Flange Width1.250 INCHES NOMINAL IN
Current TypeAC
Mounting TypePANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-0544 INTERCHANGEABLE
Cup,tapered Roller Bearing
6645-00-102-0015N199650 INTERCHANGEABLE
Meter,time Totalizing
Transaero, Inc.
1660-00-601-237667A73J100-2 INTERCHANGEABLE
Survival Kit System Assembly
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5905-00-853-8475U39-200 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Clarostat Sensors and Controls
6220-01-172-5292 INTERCHANGEABLE
Taillight,vehicular
Cross-Reference Index
Part NumberManufacturer
A00974 Mbda Uk Ltd (GBR)
210009 Meggitt Safety Systems Inc (USA)
DC3261-1 Bowmar Llc Dba Bowmar Instrument Corp (USA)
DC3261 PRIMARY Bowmar Llc Dba Bowmar Instrument Corp (USA)
Related Parts
3110-00-100-0544INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
6645-00-102-0015INTERCHANGEABLE
METER,TIME TOTALIZING
N199650
1660-00-601-2376INTERCHANGEABLE
SURVIVAL KIT SYSTEM ASSEMBLY
67A73J100-2
5905-00-853-8475INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
U39-200
6220-01-172-5292INTERCHANGEABLE
TAILLIGHT,VEHICULAR

Frequently Asked Questions

What is NSN 6645-00-940-0774?

NSN 6645-00-940-0774 is a Meter,time Totalizing, manufactured by Bowmar Llc Dba Bowmar Instrument Corp, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-940-0774?

NSN 6645-00-940-0774 has 4 cross-referenced part numbers: A00974 (Mbda Uk Ltd), 210009 (Meggitt Safety Systems Inc), DC3261-1 (Bowmar Llc Dba Bowmar Instrument Corp), DC3261 (Bowmar Llc Dba Bowmar Instrument Corp).

What NSN replaces 6645-00-940-0774?

There are 5 known substitutes for 6645-00-940-0774: 3110-00-100-0544, 6645-00-102-0015, 1660-00-601-2376 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DC3261?

Key specifications for DC3261: Terminal Type: TURRET; Mounting Configuration: TWO 0.125 IN. DIA MTG HOLES SPACED 1.000 IN. C TO C IN; Flange Height: 0.930 INCHES NOMINAL IN; Marking Color: WHITE NUMERALS. 24 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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