PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21W0020Test Set,water Turbidity and Col

Ward's Natural Science Establishment Inc · NSN 6630-01-058-7447 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-01-058-7447 — this item is cataloged by the U.S. Government under National Stock Number 6630-01-058-7447. Primary manufacturer part number: 21W0020.
Features
  • Test Set,water Turbidity and Col — FSC 6630
  • Test Type for Which Designed: ANALYZES NATURAL WATER SAMPLES FOR PH,DISSOLVED OXYGWEN,CARBON DIOXIDE,NITRATES,PHOSPHATES,SILICA,CALCIUM,MAGNESIUM,TOTAL HARDNESS
  • Depth: 12.000 INCHES NOMINAL IN
  • Length: 14.000 INCHES NOMINAL IN
  • Height: 6.500 INCHES NOMINAL IN
  • Enclosure Feature: SINGLE ITEM W/CARRYING CASE
  • 3 verified cross-references
  • Primary manufacturer: Ward's Natural Science Establishment Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,water Turbidity and Col, cataloged under National Stock Number 6630-01-058-7447, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ward's Natural Science Establishment Inc. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-01-058-7447
Primary Part Number21W0020
Item NameTest Set,water Turbidity and Col
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerWard's Natural Science Establishment Inc
StatusACTIVE
Test Type for Which DesignedANALYZES NATURAL WATER SAMPLES FOR PH,DISSOLVED OXYGWEN,CARBON DIOXIDE,NITRATES,PHOSPHATES,SILICA,CALCIUM,MAGNESIUM,TOTAL HARDNESS
Depth12.000 INCHES NOMINAL IN
Length14.000 INCHES NOMINAL IN
Height6.500 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/CARRYING CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5130-00-088-6548 INTERCHANGEABLE
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4510-00-216-5426 INTERCHANGEABLE
Rod,tank Float,water Closet
5960-00-248-3090 INTERCHANGEABLE
Electron Tube
5935-00-259-75167599662 INTERCHANGEABLE
Connector,receptacle,electrical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2910-00-354-5028 INTERCHANGEABLE
Bowl,sediment
2805-00-364-4947005902 INTERCHANGEABLE
Counterweight
Caterpillar Inc Div Caterpillar Defense
5960-00-929-12565902 INTERCHANGEABLE
Electron Tube
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Box,shipping
Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
Cross-Reference Index
Part NumberManufacturer
AM-02 La Motte Chemical Products Co Inc, the Dba La Motte Company (USA)
21W0020 PRIMARY Ward's Natural Science Establishment Inc (USA)
5902 La Motte Chemical Products Co Inc, the Dba La Motte Company (USA)
Related Parts
5130-00-088-6548INTERCHANGEABLE
BIT,SCREWDRIVER
3020-00-148-1895INTERCHANGEABLE
GEAR,OIL PUMP IDLER
5902
5999-00-204-5758INTERCHANGEABLE
CLIP,ELECTRICAL
127001
4510-00-216-5426INTERCHANGEABLE
ROD,TANK FLOAT,WATER CLOSET
5960-00-248-3090INTERCHANGEABLE
ELECTRON TUBE
5935-00-259-7516INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7599662
2910-00-354-5028INTERCHANGEABLE
BOWL,SEDIMENT
2805-00-364-4947INTERCHANGEABLE
COUNTERWEIGHT
005902
5960-00-929-1256INTERCHANGEABLE
ELECTRON TUBE
5902
8115-00-935-5902INTERCHANGEABLE
BOX,SHIPPING
5902
5985-01-037-7352INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
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CLIP,SPRING TENSION
6013-7CC

Frequently Asked Questions

What is NSN 6630-01-058-7447?

NSN 6630-01-058-7447 is a Test Set,water Turbidity and Col, manufactured by Ward's Natural Science Establishment Inc, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-01-058-7447?

NSN 6630-01-058-7447 has 3 cross-referenced part numbers: AM-02 (La Motte Chemical Products Co Inc, the Dba La Motte Company), 21W0020 (Ward's Natural Science Establishment Inc), 5902 (La Motte Chemical Products Co Inc, the Dba La Motte Company).

What NSN replaces 6630-01-058-7447?

There are 12 known substitutes for 6630-01-058-7447: 5130-00-088-6548, 3020-00-148-1895, 5999-00-204-5758 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21W0020?

Key specifications for 21W0020: Test Type for Which Designed: ANALYZES NATURAL WATER SAMPLES FOR PH,DISSOLVED OXYGWEN,CARBON DIOXIDE,NITRATES,PHOSPHATES,SILICA,CALCIUM,MAGNESIUM,TOTAL HARDNESS; Depth: 12.000 INCHES NOMINAL IN; Length: 14.000 INCHES NOMINAL IN; Height: 6.500 INCHES NOMINAL IN. 6 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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