PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3327Counting Apparatus,bacterial Col

American Optical Co · NSN 6640-01-048-6970 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-048-6970 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-048-6970. Primary manufacturer part number: 3327.
Features
  • Counting Apparatus,bacterial Col — FSC 6640
  • Case Shape: RECTANGULAR AND SLOPING FRONT
  • Inclination Angle Adjustability: ADJUSTABLE
  • Voltage Rating: 110.0 VOLTS NOMINAL
  • Magnifier Mounting Type: VERTICAL ROD SLIDING IN WELL
  • Lamp Wattage Rating in Watts: 40.0
  • Mounting Type: STAND
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counting Apparatus,bacterial Col, cataloged under National Stock Number 6640-01-048-6970, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is American Optical Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-048-6970
Primary Part Number3327
Item NameCounting Apparatus,bacterial Col
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerAmerican Optical Co
StatusACTIVE
Case ShapeRECTANGULAR AND SLOPING FRONT
Inclination Angle AdjustabilityADJUSTABLE
Voltage Rating110.0 VOLTS NOMINAL
Magnifier Mounting TypeVERTICAL ROD SLIDING IN WELL
Lamp Wattage Rating in Watts40.0
Mounting TypeSTAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5340-00-074-88403327 INTERCHANGEABLE
Seat,helical Compression Spring
Husco International Inc
5950-00-082-0615 INTERCHANGEABLE
Coil,radio Frequency
5325-00-275-5964EY43 INTERCHANGEABLE
Eyelet,metallic
Bae Systems Information and Electronic Systems Integration Inc.
6250-00-299-6982GE3327 INTERCHANGEABLE
Lampholder
General Electric Company
6740-00-356-6789 INTERCHANGEABLE
Glass,diffusion
4720-00-383-9880FC3510 INTERCHANGEABLE
Hose Assembly,nonmetallic
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6910-00-436-2376 INTERCHANGEABLE
Training Set,turnta
5330-00-559-21053327 INTERCHANGEABLE
Gasket
Michigan Dynamics Inc
5930-00-875-10353327 INTERCHANGEABLE
Switch,rotary
Cole Instrument Corp
5915-01-090-15913327 INTERCHANGEABLE
Filter,band Pass
Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions
Cross-Reference Index
Part NumberManufacturer
3327 PRIMARY American Optical Co (USA)
Related Parts
5340-00-074-8840INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
3327
5950-00-082-0615INTERCHANGEABLE
COIL,RADIO FREQUENCY
5325-00-275-5964INTERCHANGEABLE
EYELET,METALLIC
EY43
6250-00-299-6982INTERCHANGEABLE
LAMPHOLDER
GE3327
6740-00-356-6789INTERCHANGEABLE
GLASS,DIFFUSION
4720-00-383-9880INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
FC3510
6910-00-436-2376INTERCHANGEABLE
TRAINING SET,TURNTA
5330-00-559-2105INTERCHANGEABLE
GASKET
3327
5930-00-875-1035INTERCHANGEABLE
SWITCH,ROTARY
3327
5915-01-090-1591INTERCHANGEABLE
FILTER,BAND PASS
3327
6105-01-298-8307INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 6640-01-048-6970?

NSN 6640-01-048-6970 is a Counting Apparatus,bacterial Col, manufactured by American Optical Co, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-048-6970?

NSN 6640-01-048-6970 has 1 cross-referenced part number: 3327 (American Optical Co).

What NSN replaces 6640-01-048-6970?

There are 11 known substitutes for 6640-01-048-6970: 5340-00-074-8840, 5950-00-082-0615, 5325-00-275-5964 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3327?

Key specifications for 3327: Case Shape: RECTANGULAR AND SLOPING FRONT; Inclination Angle Adjustability: ADJUSTABLE; Voltage Rating: 110.0 VOLTS NOMINAL; Special Features: BUILT-IN ELECTRONIC REGISTER. 7 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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