PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

438-00Test Tube

Hach Company Dba Hach Co · NSN 6640-00-127-4779 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-127-4779 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-127-4779. Primary manufacturer part number: 438-00.
Features
  • Test Tube — FSC 6640
  • Capacity Rating: 5.830 MILLILITERS NOMINAL
  • Material: PLASTIC POLYPROPYLENE
  • Style Designator: PLAIN RIM FLAT BOTTOM
  • Primary Container Unit Quantity: 1
  • 3 verified cross-references
  • Primary manufacturer: Hach Company Dba Hach Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polypropylene construction
General Description

The Test Tube, cataloged under National Stock Number 6640-00-127-4779, 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. 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.

Technical Specifications
ParameterValue
NSN6640-00-127-4779
Primary Part Number438-00
Item NameTest Tube
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerHach Company Dba Hach Co
StatusACTIVE
Capacity Rating5.830 MILLILITERS NOMINAL
MaterialPLASTIC POLYPROPYLENE
Style DesignatorPLAIN RIM FLAT BOTTOM
Primary Container Unit Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-014-51817338614 INTERCHANGEABLE
Screw,tapping
U S Army Tank Automotive Command Amsta-Im-Mm
5310-00-233-587743800 INTERCHANGEABLE
Washer,flat
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3110-00-380-981443800 INTERCHANGEABLE
Bearing
Eaton Aerospace, Llc Dba Jackson South
6525-01-383-933843800 INTERCHANGEABLE
Cover,processing Machine,radiogr
Air Techniques, Inc.
Cross-Reference Index
Part NumberManufacturer
43800 Hach Lange France (FRA)
438-00 PRIMARY Hach Company Dba Hach Co (USA)
13222E0632 Cecom Lr Center (USA)
Related Parts
5305-00-014-5181INTERCHANGEABLE
SCREW,TAPPING
7338614
5310-00-233-5877INTERCHANGEABLE
WASHER,FLAT
43800
3110-00-380-9814INTERCHANGEABLE
BEARING
43800
6525-01-383-9338INTERCHANGEABLE
COVER,PROCESSING MACHINE,RADIOGR
43800

Frequently Asked Questions

What is NSN 6640-00-127-4779?

NSN 6640-00-127-4779 is a Test Tube, manufactured by Hach Company Dba Hach Co, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-127-4779?

NSN 6640-00-127-4779 has 3 cross-referenced part numbers: 43800 (Hach Lange France), 438-00 (Hach Company Dba Hach Co), 13222E0632 (Cecom Lr Center).

What NSN replaces 6640-00-127-4779?

There are 4 known substitutes for 6640-00-127-4779: 5305-00-014-5181, 5310-00-233-5877, 3110-00-380-9814 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 438-00?

Key specifications for 438-00: Capacity Rating: 5.830 MILLILITERS NOMINAL; Part Name Assigned by Controlling Agency: TEST TU PLAS K11 PLAIN RIM FLAT BOTTOM USE IN DROP COUNTITRATION; Material: PLASTIC POLYPROPYLENE; Style Designator: PLAIN RIM FLAT BOTTOM. 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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