PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7231Hematoxylin Stain

Richard-Allan Scientific Llc · NSN 6550-01-360-5690 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-360-5690 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-360-5690. Primary manufacturer part number: 7231.
Features
  • Hematoxylin Stain — FSC 6550
  • Total Primary Container Quantity: 4
  • Primary Container Content Quantity: 1.000 PINTS
  • Physical Form: LIQUID
  • Primary Container Type: BOTTLE
  • Supplementary Features: MEDSEP ITEM FOR DOD, RICHARD-ALLAN INC
  • 5 verified cross-references
  • Primary manufacturer: Richard-Allan Scientific Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hematoxylin Stain, cataloged under National Stock Number 6550-01-360-5690, 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 Richard-Allan Scientific Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6550-01-360-5690
Primary Part Number7231
Item NameHematoxylin Stain
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerRichard-Allan Scientific Llc
StatusACTIVE
Total Primary Container Quantity4
Primary Container Content Quantity1.000 PINTS
Physical FormLIQUID
Primary Container TypeBOTTLE
Supplementary FeaturesMEDSEP ITEM FOR DOD, RICHARD-ALLAN INC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 12
3120-00-338-785914U1483PCDB7231 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
2990-00-356-1084T-3374 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
6240-00-426-1958LTX7231 INTERCHANGEABLE
Lamp,incandescent
Lamptronix Co Ltd
5985-00-620-6441 INTERCHANGEABLE
Tester,load Bank
5950-00-754-6939 INTERCHANGEABLE
Core,electromagnetic Component
4310-00-887-36230731-33 INTERCHANGEABLE
Diaphragm
Circor Aerospace, Inc. Dba Circor Aerospace Inc
6240-00-955-9324 INTERCHANGEABLE
Lamp,incandescent
9160-00-980-4871556.044.018 INTERCHANGEABLE
Indicating Fluid,instrument
Alnor Instrument Company
5360-01-251-4677 INTERCHANGEABLE
Spring,slipper
6140-01-317-1541 INTERCHANGEABLE
Battery,storage
Cross-Reference Index
Part NumberManufacturer
22-050-113 Fisher Scientific Company L.l.c. (USA)
7231 Allan Richard Medical (USA)
S7439-3 Cardinal Health 200, Llc (USA)
7231 PRIMARY Richard-Allan Scientific Llc (USA)
A92E243 Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa (USA)
Related Parts
3120-00-338-7859INTERCHANGEABLE
BEARING,SLEEVE
14U1483PCDB7231
2990-00-356-1084INTERCHANGEABLE
MUFFLER,EXHAUST
T-3374
6240-00-426-1958INTERCHANGEABLE
LAMP,INCANDESCENT
LTX7231
5985-00-620-6441INTERCHANGEABLE
TESTER,LOAD BANK
5950-00-754-6939INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
4310-00-887-3623INTERCHANGEABLE
DIAPHRAGM
0731-33
6240-00-955-9324INTERCHANGEABLE
LAMP,INCANDESCENT
9160-00-980-4871INTERCHANGEABLE
INDICATING FLUID,INSTRUMENT
556.044.018
5360-01-251-4677INTERCHANGEABLE
SPRING,SLIPPER
6140-01-317-1541INTERCHANGEABLE
BATTERY,STORAGE
5340-01-373-5071INTERCHANGEABLE
STANDOFF,THREADED,SPACING
7231
5905-01-413-2824INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
102-224-5

Frequently Asked Questions

What is NSN 6550-01-360-5690?

NSN 6550-01-360-5690 is a Hematoxylin Stain, manufactured by Richard-Allan Scientific Llc, classified under FSC 6550 (No Item Name Available). Status: active.

What are the part numbers for NSN 6550-01-360-5690?

NSN 6550-01-360-5690 has 5 cross-referenced part numbers: 22-050-113 (Fisher Scientific Company L.l.c.), 7231 (Allan Richard Medical), S7439-3 (Cardinal Health 200, Llc), 7231 (Richard-Allan Scientific Llc), A92E243 (Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa).

What NSN replaces 6550-01-360-5690?

There are 12 known substitutes for 6550-01-360-5690: 3120-00-338-7859, 2990-00-356-1084, 6240-00-426-1958 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7231?

Key specifications for 7231: Total Primary Container Quantity: 4; Primary Container Content Quantity: 1.000 PINTS; Physical Form: LIQUID; Special Features: PRODUCES DARKER STAIN W/CRISP NUCLEAR DETAIL; USED ONLY IN HISTOLOGY; MERCURY FREE. 7 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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