PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

231040Differentiation Discs,microorgan

Becton, Dickinson and Company Dba Becton Dickinson & Co · NSN 6550-01-139-7499 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-139-7499 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-139-7499. Primary manufacturer part number: 231040.
Features
  • Differentiation Discs,microorgan — FSC 6550
  • Protective Storage Feature: REQUIRES REFRIGERATION STORAGE BETWEEN 2 TO 8 DEG CELSIUS
  • Material: PAPER
  • Supplementary Features: MEDSEP ITEM FOR DOD, BECTON-DICKINSON
  • Composition Ingredients: STREPTOCOCCUS GROUP A
  • Primary Container Type: VIAL
  • Primary Container Content Quantity: 50.000 DISK
  • 3 verified cross-references
Applications
  • Applications requiring Paper construction
General Description

The Differentiation Discs,microorgan, cataloged under National Stock Number 6550-01-139-7499, 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 Becton, Dickinson and Company Dba Becton Dickinson & Co. Government technical data includes 6 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: Cancelled. Unit of issue: VI.

Technical Specifications
ParameterValue
NSN6550-01-139-7499
Primary Part Number231040
Item NameDifferentiation Discs,microorgan
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerBecton, Dickinson and Company Dba Becton Dickinson & Co
StatusCANCELLED
Protective Storage FeatureREQUIRES REFRIGERATION STORAGE BETWEEN 2 TO 8 DEG CELSIUS
MaterialPAPER
Supplementary FeaturesMEDSEP ITEM FOR DOD, BECTON-DICKINSON
Composition IngredientsSTREPTOCOCCUS GROUP A
Primary Container TypeVIAL
Primary Container Content Quantity50.000 DISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueVI
Verified Substitutes 12
1680-00-083-379131040 INTERCHANGEABLE
Nut Assembly
Hydro-Aire Aerospace Corp
5330-00-119-8076231040 INTERCHANGEABLE
Gasket
Dana Off Highway Products, Llc
5330-00-165-935717547 INTERCHANGEABLE
Packing,preformed
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5920-00-234-8191 INTERCHANGEABLE
Fuse Link,electrical
5120-00-240-6104 INTERCHANGEABLE
Punch,drive Pin
5120-00-270-43105120-00-270-4310 INTERCHANGEABLE
Wrench,pipe
General Services Administration Federal Supply Service
5925-00-500-6809S0F14054 INTERCHANGEABLE
Circuit Breaker
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5985-00-560-792531040 INTERCHANGEABLE
Attenuator Subassembly
Raytheon Company Dba Raytheon
3020-00-971-526331040 INTERCHANGEABLE
Gear,bevel
Dana Corp Spicer Transmission Div
6675-00-982-1977823 INTERCHANGEABLE
Template,drafting
Airmate Co., Inc.
Cross-Reference Index
Part NumberManufacturer
231040 PRIMARY Becton, Dickinson and Company Dba Becton Dickinson & Co (USA)
31040 Becton-Dickinson and Co Microbiology Systems Div (USA)
231040 Becton-Dickinson and Co Microbiology Systems Div (USA)
Related Parts
1680-00-083-3791INTERCHANGEABLE
NUT ASSEMBLY
31040
5330-00-119-8076INTERCHANGEABLE
GASKET
231040
5330-00-165-9357INTERCHANGEABLE
PACKING,PREFORMED
17547
5920-00-234-8191INTERCHANGEABLE
FUSE LINK,ELECTRICAL
5120-00-240-6104INTERCHANGEABLE
PUNCH,DRIVE PIN
5120-00-270-4310INTERCHANGEABLE
WRENCH,PIPE
5120-00-270-4310
5925-00-500-6809INTERCHANGEABLE
CIRCUIT BREAKER
S0F14054
5985-00-560-7925INTERCHANGEABLE
ATTENUATOR SUBASSEMBLY
31040
3020-00-971-5263INTERCHANGEABLE
GEAR,BEVEL
31040
6675-00-982-1977INTERCHANGEABLE
TEMPLATE,DRAFTING
823
5330-01-261-1838INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
31040
5330-01-416-9930INTERCHANGEABLE
GASKET
31040

Frequently Asked Questions

What is NSN 6550-01-139-7499?

NSN 6550-01-139-7499 is a Differentiation Discs,microorgan, manufactured by Becton, Dickinson and Company Dba Becton Dickinson & Co, classified under FSC 6550 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6550-01-139-7499?

NSN 6550-01-139-7499 has 3 cross-referenced part numbers: 231040 (Becton, Dickinson and Company Dba Becton Dickinson & Co), 31040 (Becton-Dickinson and Co Microbiology Systems Div), 231040 (Becton-Dickinson and Co Microbiology Systems Div).

What NSN replaces 6550-01-139-7499?

There are 12 known substitutes for 6550-01-139-7499: 1680-00-083-3791, 5330-00-119-8076, 5330-00-165-9357 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 231040?

Key specifications for 231040: Protective Storage Feature: REQUIRES REFRIGERATION STORAGE BETWEEN 2 TO 8 DEG CELSIUS; Material: PAPER; Part Name Assigned by Controlling Agency: DIFFERENTIATION DISKS MICROORGANISMS STREPTOCOCCUS GROUP A50DISK; Supplementary Features: MEDSEP ITEM FOR DOD, BECTON-DICKINSON. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6550-01-139-7499 still in active supply?

NSN 6550-01-139-7499 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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