PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218710Reference Standard,calcium

Hach Company Dba Hach Co · NSN 6550-01-599-2424 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-599-2424 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-599-2424. Primary manufacturer part number: 218710.
Features
  • Reference Standard,calcium — FSC 6550
  • Total Primary Container Quantity: 16
  • Primary Container Type: AMPUL
  • Physical Form: LIQUID
  • Primary Container Content Quantity: 10.000 MILLILITERS
  • 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 Reference Standard,calcium, cataloged under National Stock Number 6550-01-599-2424, is classified within Federal Supply Class 6550 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Hach Company Dba Hach Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6550-01-599-2424
Primary Part Number218710
Item NameReference Standard,calcium
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerHach Company Dba Hach Co
StatusACTIVE
Total Primary Container Quantity16
Primary Container TypeAMPUL
Physical FormLIQUID
Primary Container Content Quantity10.000 MILLILITERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 4
5342-01-197-920726686 INTERCHANGEABLE
Cup,piston
Hoffman/new Yorker Inc
6645-01-281-03892-6686 INTERCHANGEABLE
Timer,interval
Maytag Corporation Dba Maytag Appliancessales
5340-01-334-18042-18710 INTERCHANGEABLE
Plate,mounting
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5365-01-548-0554148-8407 INTERCHANGEABLE
Plug,machine Thread
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
6550NCM116654 Defense Medical Standardization Board (USA)
26686 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
218710 PRIMARY Hach Company Dba Hach Co (USA)
Related Parts
5342-01-197-9207INTERCHANGEABLE
CUP,PISTON
26686
6645-01-281-0389INTERCHANGEABLE
TIMER,INTERVAL
2-6686
5340-01-334-1804INTERCHANGEABLE
PLATE,MOUNTING
2-18710
5365-01-548-0554INTERCHANGEABLE
PLUG,MACHINE THREAD
148-8407

Frequently Asked Questions

What is NSN 6550-01-599-2424?

NSN 6550-01-599-2424 is a Reference Standard,calcium, manufactured by Hach Company Dba Hach Co, classified under FSC 6550 (No Item Name Available). Status: active.

What are the part numbers for NSN 6550-01-599-2424?

NSN 6550-01-599-2424 has 3 cross-referenced part numbers: 6550NCM116654 (Defense Medical Standardization Board), 26686 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 218710 (Hach Company Dba Hach Co).

What NSN replaces 6550-01-599-2424?

There are 4 known substitutes for 6550-01-599-2424: 5342-01-197-9207, 6645-01-281-0389, 5340-01-334-1804 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218710?

Key specifications for 218710: Total Primary Container Quantity: 16; Special Features: CALCIUM HARDNESS STANDARD SOLUTION AS CALCIUM CARBONATE (CACO3); 10,000 MG/L; 10 ML AMPULES; STORE AT ROOM TEMPERATURE 10 TO 30 DEG C; PACKAGE OF 16 DEGC; Part Name Assigned by Controlling Agency: CALCIUM HARDNESS STANDARD SOLUTION CACO3 10ML 16S; Primary Container Type: AMPUL. 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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