PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21290-00Test Kit,chlorine

Hach Company Dba Hach Co · NSN 6640-01-496-5333 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-496-5333 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-496-5333. Primary manufacturer part number: 21290-00.
Features
  • Test Kit,chlorine — FSC 6640
  • 6 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 Test Kit,chlorine, cataloged under National Stock Number 6640-01-496-5333, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hach Company Dba Hach Co. This item has 6 commercial cross-references from 5 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
NSN6640-01-496-5333
Primary Part Number21290-00
Item NameTest Kit,chlorine
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerHach Company Dba Hach Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-067-947823659 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
1630-00-534-641423657 INTERCHANGEABLE
Plunger,slide Valve
Hydro-Aire Aerospace Corp
5310-00-563-43911229H216 INTERCHANGEABLE
Washer
Meritor Heavy Vehicle Systems, Llc
3120-00-944-530523657 INTERCHANGEABLE
Bushing,sleeve
L3harris Technologies, Inc. Div Space and Airborne Systems
5340-01-371-200423657 INTERCHANGEABLE
Rod End,threaded
Hoffman/new Yorker, Inc.
Cross-Reference Index
Part NumberManufacturer
WS965333 Fort Defiance Industries Llc (USA)
23657 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
LL-H48-9139 Naval Medical Material Support Command Detachment (USA)
CN-80 Hach Company Dba Hach Co (USA)
6640NCM116262 Defense Medical Standardization Board (USA)
21290-00 PRIMARY Hach Company Dba Hach Co (USA)
Related Parts
5330-00-067-9478INTERCHANGEABLE
SEAL,PLAIN ENCASED
23659
1630-00-534-6414INTERCHANGEABLE
PLUNGER,SLIDE VALVE
23657
5310-00-563-4391INTERCHANGEABLE
WASHER
1229H216
3120-00-944-5305INTERCHANGEABLE
BUSHING,SLEEVE
23657
5340-01-371-2004INTERCHANGEABLE
ROD END,THREADED
23657

Frequently Asked Questions

What is NSN 6640-01-496-5333?

NSN 6640-01-496-5333 is a Test Kit,chlorine, manufactured by Hach Company Dba Hach Co, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-496-5333?

NSN 6640-01-496-5333 has 6 cross-referenced part numbers: WS965333 (Fort Defiance Industries Llc), 23657 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), LL-H48-9139 (Naval Medical Material Support Command Detachment), CN-80 (Hach Company Dba Hach Co), 6640NCM116262 (Defense Medical Standardization Board) and 1 more.

What NSN replaces 6640-01-496-5333?

There are 5 known substitutes for 6640-01-496-5333: 5330-00-067-9478, 1630-00-534-6414, 5310-00-563-4391 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21290-00?

Key specifications for 21290-00: Part Name Assigned by Controlling Agency: CHLORINE TEST KIT 100 TEST PER KIT; Special Features: CHLORINE TEST KIT, LOW RANGE, 0-0.6, 0-3.0 MG/L F&T MG/L T, COLOR DISC; 100 TESTS PER KIT. 2 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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