PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6680Intestinal Protozoa Staining Kit

A J P Scientific Inc Dba Eng Scientific · NSN 6550-01-211-4779 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-211-4779 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-211-4779. Primary manufacturer part number: 6680.
Features
  • Intestinal Protozoa Staining Kit — FSC 6550
  • Component Quantity: 8
  • Nonsupply Items and Quantities: 100 ML BT OF PVA FIXATIVE 1; 100 ML BT OF IODINE ALCOHOL 1; 100 ML BT OF ETHYL ALCOHOL (70 PCT) 1; 100 ML BT OF TRICHROME STAIN 1; 100 ML BT OF ACID ALCOHOL 1; 100 ML BT OF ETHYL ALCOHOL (95 PCT) 1; 100 ML BT OF CARBOL-XYLENE 1; 100 ML BT OF XYLENE 1
  • 5 verified cross-references
  • Primary manufacturer: A J P Scientific Inc Dba Eng Scientific
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Intestinal Protozoa Staining Kit, cataloged under National Stock Number 6550-01-211-4779, 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 A J P Scientific Inc Dba Eng Scientific. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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: EA.

Technical Specifications
ParameterValue
NSN6550-01-211-4779
Primary Part Number6680
Item NameIntestinal Protozoa Staining Kit
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerA J P Scientific Inc Dba Eng Scientific
StatusCANCELLED
Component Quantity8
Nonsupply Items and Quantities100 ML BT OF PVA FIXATIVE 1; 100 ML BT OF IODINE ALCOHOL 1; 100 ML BT OF ETHYL ALCOHOL (70 PCT) 1; 100 ML BT OF TRICHROME STAIN 1; 100 ML BT OF ACID ALCOHOL 1; 100 ML BT OF ETHYL ALCOHOL (95 PCT) 1; 100 ML BT OF CARBOL-XYLENE 1; 100 ML BT OF XYLENE 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5330-00-080-2886 INTERCHANGEABLE
Packing Assembly
3030-00-104-87972S8727 INTERCHANGEABLE
Belt,v
Caterpillar Inc Div Caterpillar Defense
5950-00-136-5433668 INTERCHANGEABLE
Coil,radio Frequency
Mpe Ltd
6240-00-283-0147 INTERCHANGEABLE
Lamp,incandescent
5330-00-286-994020232 INTERCHANGEABLE
Seal,plain Encased
The Crosby Group Llc Dba the Crosby Group
8415-00-324-7691668 INTERCHANGEABLE
Eyeshield Assy
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5360-00-383-9967FC668 INTERCHANGEABLE
Spring,helical,compression
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5365-00-414-429181-000319 INTERCHANGEABLE
Spacer,sleeve
Orscheln Products Llc
5120-00-473-7371 INTERCHANGEABLE
Remover and Replace
2530-00-560-63585606358 INTERCHANGEABLE
Track Shoe,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
6680 PRIMARY A J P Scientific Inc Dba Eng Scientific (USA)
ES6680 Fisher Scientific Company L.l.c. (USA)
668 A J P Scientific Inc Dba Eng Scientific (USA)
668A A J P Scientific Inc Dba Eng Scientific (USA)
B2644A Cd Acquisition Holdings Inc Dba Columbia Diagnostics (USA)
Related Parts
5330-00-080-2886INTERCHANGEABLE
PACKING ASSEMBLY
3030-00-104-8797INTERCHANGEABLE
BELT,V
2S8727
5950-00-136-5433INTERCHANGEABLE
COIL,RADIO FREQUENCY
668
6240-00-283-0147INTERCHANGEABLE
LAMP,INCANDESCENT
5330-00-286-9940INTERCHANGEABLE
SEAL,PLAIN ENCASED
20232
8415-00-324-7691INTERCHANGEABLE
EYESHIELD ASSY
668
5360-00-383-9967INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
FC668
5365-00-414-4291INTERCHANGEABLE
SPACER,SLEEVE
81-000319
5120-00-473-7371INTERCHANGEABLE
REMOVER AND REPLACE
2530-00-560-6358INTERCHANGEABLE
TRACK SHOE,VEHICULAR
5606358
5330-00-871-6920INTERCHANGEABLE
GASKET
6680
6625-00-993-3169INTERCHANGEABLE
AMMETER
668

Frequently Asked Questions

What is NSN 6550-01-211-4779?

NSN 6550-01-211-4779 is a Intestinal Protozoa Staining Kit, manufactured by A J P Scientific Inc Dba Eng Scientific, classified under FSC 6550 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6550-01-211-4779?

NSN 6550-01-211-4779 has 5 cross-referenced part numbers: 6680 (A J P Scientific Inc Dba Eng Scientific), ES6680 (Fisher Scientific Company L.l.c.), 668 (A J P Scientific Inc Dba Eng Scientific), 668A (A J P Scientific Inc Dba Eng Scientific), B2644A (Cd Acquisition Holdings Inc Dba Columbia Diagnostics).

What NSN replaces 6550-01-211-4779?

There are 12 known substitutes for 6550-01-211-4779: 5330-00-080-2886, 3030-00-104-8797, 5950-00-136-5433 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6680?

Key specifications for 6680: Part Name Assigned by Controlling Agency: INTESTINAL PROTOZOA STAINING KIT 8 COMPONENTS; Component Quantity: 8; Special Features: EACH BT HAS A FLIP-TOP CAP; Nonsupply Items and Quantities: 100 ML BT OF PVA FIXATIVE 1; 100 ML BT OF IODINE ALCOHOL 1; 100 ML BT OF ETHYL ALCOHOL (70 PCT) 1; 100 ML BT OF TRICHROME STAIN 1; 100 ML BT OF ACID ALCOHOL 1; 100 ML BT OF ETHYL ALCOHOL (95 PCT) 1; 100 ML BT OF CARBOL-XYLENE 1; 100 ML BT OF XYLENE 1. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6550-01-211-4779 still in active supply?

NSN 6550-01-211-4779 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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