PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21940-00Water Testing Kit,bacteriologica

Hach Company Dba Hach Co · NSN 6665-01-425-1672 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-425-1672 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-425-1672. Primary manufacturer part number: 21940-00.
Features
  • Water Testing Kit,bacteriologica — FSC 6665
  • Model Number: L-P CUBE
  • Component Quantity: 52
  • Nonsupply Items and Quantities: CAGE 91224: CAT. NO 14064-46, DPD2 TOTAL REAGENT POWDER PILLOWS (PK/50); CAT. CO. 936-00, CLIPPERS (1); CAT. NO. 22145-00,TEST CUBE, BROMINE (1).
  • 3 verified cross-references
  • Primary manufacturer: Hach Company Dba Hach Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Water Testing Kit,bacteriologica, cataloged under National Stock Number 6665-01-425-1672, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hach Company Dba Hach Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-425-1672
Primary Part Number21940-00
Item NameWater Testing Kit,bacteriologica
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerHach Company Dba Hach Co
StatusACTIVE
Model NumberL-P CUBE
Component Quantity52
Nonsupply Items and QuantitiesCAGE 91224: CAT. NO 14064-46, DPD2 TOTAL REAGENT POWDER PILLOWS (PK/50); CAT. CO. 936-00, CLIPPERS (1); CAT. NO. 22145-00,TEST CUBE, BROMINE (1).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2825-00-390-13118173 INTERCHANGEABLE
Bushing with Key
Northrop Grumman Systems Corporation Div Marine Systems
5940-00-549-86698168879 INTERCHANGEABLE
Terminal Board
Us Army Aviation and Missile Command
5310-00-596-81638173 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
M.t. Davidson Company
9390-00-878-2787S1055-1-96 INTERCHANGEABLE
Nonmetallic Channel
Textron Aviation Inc
5340-00-981-870168173 INTERCHANGEABLE
Cap,filler Opening
Shaw Development, Llc
5355-00-988-21635020-5621 INTERCHANGEABLE
Knob
Hewlett-Packard Company Dba HP
2990-00-992-6808T-8173 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
4140-01-123-6066 INTERCHANGEABLE
Fan,cooling
5985-01-216-2311300-T-MN INTERCHANGEABLE
Dummy Load,electrical
Bird Electronic Corporation Div Bird Electronic Corp
1680-01-600-04778173 INTERCHANGEABLE
Clamp Assembly
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
8-173 Emar Services Inc (CAN)
21940-00 PRIMARY Hach Company Dba Hach Co (USA)
L-P CUBE Hach Company Dba Hach Co (USA)
Related Parts
2825-00-390-1311INTERCHANGEABLE
BUSHING WITH KEY
8173
5940-00-549-8669INTERCHANGEABLE
TERMINAL BOARD
8168879
5310-00-596-8163INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
8173
9390-00-878-2787INTERCHANGEABLE
NONMETALLIC CHANNEL
S1055-1-96
5340-00-981-8701INTERCHANGEABLE
CAP,FILLER OPENING
68173
5355-00-988-2163INTERCHANGEABLE
KNOB
5020-5621
2990-00-992-6808INTERCHANGEABLE
MUFFLER,EXHAUST
T-8173
4140-01-123-6066INTERCHANGEABLE
FAN,COOLING
5985-01-216-2311INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
300-T-MN
1680-01-600-0477INTERCHANGEABLE
CLAMP ASSEMBLY
8173

Frequently Asked Questions

What is NSN 6665-01-425-1672?

NSN 6665-01-425-1672 is a Water Testing Kit,bacteriologica, manufactured by Hach Company Dba Hach Co, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-425-1672?

NSN 6665-01-425-1672 has 3 cross-referenced part numbers: 8-173 (Emar Services Inc), 21940-00 (Hach Company Dba Hach Co), L-P CUBE (Hach Company Dba Hach Co).

What NSN replaces 6665-01-425-1672?

There are 10 known substitutes for 6665-01-425-1672: 2825-00-390-1311, 5940-00-549-8669, 5310-00-596-8163 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21940-00?

Key specifications for 21940-00: Special Features: REAGENT USED IN THIS TEST DEVELOPES A PINK COLOR PROPORTIONAL TO THE AMOUNT OF BROMINE PRESENT.; Model Number: L-P CUBE; Component Quantity: 52; Nonsupply Items and Quantities: CAGE 91224: CAT. NO 14064-46, DPD2 TOTAL REAGENT POWDER PILLOWS (PK/50); CAT. CO. 936-00, CLIPPERS (1); CAT. NO. 22145-00,TEST CUBE, BROMINE (1).. 4 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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