PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1398ADifferentiation Discs,microorgan

Cd Acquisition Holdings Inc Dba Columbia Diagnostics · NSN 6550-01-234-9595 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-234-9595 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-234-9595. Primary manufacturer part number: B1398A.
Features
  • Differentiation Discs,microorgan — FSC 6550
  • Usage Design: USED IN DIFFERENTIATING PNEUMOCOCCI FROM ALPHA HEMOLYTIC STREPTOCOCCI
  • Primary Container Content Quantity: 50.000 DISK
  • Active Ingredients Per Unit: 5.0000 MICROGRAMS PER DISK
  • Primary Container Type: TUBE, DISPENSING
  • Protective Storage Feature: REQUIRES REFRIGERATION STORAGE BETWEEN 2 TO 8 DEG CELSIUS
  • Composition Ingredients: OPTOCHIN
  • Material: PAPER
Applications
  • Applications requiring Paper construction
General Description

The Differentiation Discs,microorgan, cataloged under National Stock Number 6550-01-234-9595, 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 Cd Acquisition Holdings Inc Dba Columbia Diagnostics. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: TU.

Technical Specifications
ParameterValue
NSN6550-01-234-9595
Primary Part NumberB1398A
Item NameDifferentiation Discs,microorgan
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerCd Acquisition Holdings Inc Dba Columbia Diagnostics
StatusACTIVE
Usage DesignUSED IN DIFFERENTIATING PNEUMOCOCCI FROM ALPHA HEMOLYTIC STREPTOCOCCI
Primary Container Content Quantity50.000 DISK
Active Ingredients Per Unit5.0000 MICROGRAMS PER DISK
Primary Container TypeTUBE, DISPENSING
Protective Storage FeatureREQUIRES REFRIGERATION STORAGE BETWEEN 2 TO 8 DEG CELSIUS
Composition IngredientsOPTOCHIN
MaterialPAPER
Supplementary FeaturesMEDSEP ITEM FOR DOD, COLUMBIA DIAGNOSTICS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueTU
Verified Substitutes 7
5910-00-270-9306S235-1231P1 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Raytheon Company Dba Raytheon Co
3120-00-431-21970133760 INTERCHANGEABLE
Bearing,sleeve
New Holland Construction
5360-00-530-73562AG625 INTERCHANGEABLE
Spring,helical,compression
Oshkosh Defense Llc
5133-00-988-5697 INTERCHANGEABLE
Drill,twist
5330-01-204-0143B1398D INTERCHANGEABLE
Gasket
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5935-01-470-8162F104341 INTERCHANGEABLE
Connector,plug,electrical
Tld Wollard Llc
5315-01-544-150933760 INTERCHANGEABLE
Pin,tapered,plain
Chemtech Dba Chem-Tech
Cross-Reference Index
Part NumberManufacturer
31-760 Remel Inc. (USA)
B1398A PRIMARY Cd Acquisition Holdings Inc Dba Columbia Diagnostics (USA)
33760 General Diagnostics Co (USA)
Related Parts
5910-00-270-9306INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
S235-1231P1
3120-00-431-2197INTERCHANGEABLE
BEARING,SLEEVE
0133760
5360-00-530-7356INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2AG625
5133-00-988-5697INTERCHANGEABLE
DRILL,TWIST
5330-01-204-0143INTERCHANGEABLE
GASKET
B1398D
5935-01-470-8162INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
F104341
5315-01-544-1509INTERCHANGEABLE
PIN,TAPERED,PLAIN
33760

Frequently Asked Questions

What is NSN 6550-01-234-9595?

NSN 6550-01-234-9595 is a Differentiation Discs,microorgan, manufactured by Cd Acquisition Holdings Inc Dba Columbia Diagnostics, classified under FSC 6550 (No Item Name Available). Status: active.

What are the part numbers for NSN 6550-01-234-9595?

NSN 6550-01-234-9595 has 3 cross-referenced part numbers: 31-760 (Remel Inc.), B1398A (Cd Acquisition Holdings Inc Dba Columbia Diagnostics), 33760 (General Diagnostics Co).

What NSN replaces 6550-01-234-9595?

There are 7 known substitutes for 6550-01-234-9595: 5910-00-270-9306, 3120-00-431-2197, 5360-00-530-7356 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B1398A?

Key specifications for B1398A: Usage Design: USED IN DIFFERENTIATING PNEUMOCOCCI FROM ALPHA HEMOLYTIC STREPTOCOCCI; Primary Container Content Quantity: 50.000 DISK; Active Ingredients Per Unit: 5.0000 MICROGRAMS PER DISK; Primary Container Type: TUBE, DISPENSING. 9 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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