PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8312-4Mounting Medium,microscopy

Richard-Allan Medical Industries · NSN 6640-01-507-7481 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-507-7481 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-507-7481. Primary manufacturer part number: 8312-4.
Features
  • Mounting Medium,microscopy — FSC 6640
  • 5 verified cross-references
  • Primary manufacturer: Richard-Allan Medical Industries
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mounting Medium,microscopy, cataloged under National Stock Number 6640-01-507-7481, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Richard-Allan Medical Industries. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-507-7481
Primary Part Number8312-4
Item NameMounting Medium,microscopy
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerRichard-Allan Medical Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-324-0750V22F-247 INTERCHANGEABLE
Switch,flow
United Electric Controls Co Div Precision Sensors Division
1650-00-848-934183124 INTERCHANGEABLE
Fitting,valve
Hydro-Aire Aerospace Corp
6685-01-142-196983-124 INTERCHANGEABLE
Thermometer
Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc
1650-01-227-11598312-4 INTERCHANGEABLE
Cap,valve
Goodrich Aerospace Canada Ltd
3040-01-430-7297030-188 INTERCHANGEABLE
Weight,counterbalance
Automatic Switch Company Dba Asco
Cross-Reference Index
Part NumberManufacturer
22050262 Fisher Scientific Company L.l.c. (USA)
CYTOSEAL XYL Richard-Allan Medical Industries (USA)
03-0188 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6630NCM030114 Defense Medical Standardization Board (USA)
8312-4 PRIMARY Richard-Allan Medical Industries (USA)
Related Parts
5930-00-324-0750INTERCHANGEABLE
SWITCH,FLOW
V22F-247
1650-00-848-9341INTERCHANGEABLE
FITTING,VALVE
83124
6685-01-142-1969INTERCHANGEABLE
THERMOMETER
83-124
1650-01-227-1159INTERCHANGEABLE
CAP,VALVE
8312-4
3040-01-430-7297INTERCHANGEABLE
WEIGHT,COUNTERBALANCE
030-188

Frequently Asked Questions

What is NSN 6640-01-507-7481?

NSN 6640-01-507-7481 is a Mounting Medium,microscopy, manufactured by Richard-Allan Medical Industries, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-507-7481?

NSN 6640-01-507-7481 has 5 cross-referenced part numbers: 22050262 (Fisher Scientific Company L.l.c.), CYTOSEAL XYL (Richard-Allan Medical Industries), 03-0188 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6630NCM030114 (Defense Medical Standardization Board), 8312-4 (Richard-Allan Medical Industries).

What NSN replaces 6640-01-507-7481?

There are 5 known substitutes for 6640-01-507-7481: 5930-00-324-0750, 1650-00-848-9341, 6685-01-142-1969 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8312-4?

Key specifications for 8312-4: Special Features: XYLENE-BASED MOUNTING MEDIUM CONTAINS AN ANTIOXIDANT THAT INHIBITS FADING OR YELLOWING OF STAINED SPECIMENS; RAPID DRY; ALLOWS MICROSCOPIC EXAM OF SLIDES SOON AFTER APPLICATION; 4 OZ BOTTLE WITH TWIST OPEN/TWIST CLOSED CAP; 12 PER CASE OZ; Part Name Assigned by Controlling Agency: MOUNTING MEDIA XYENE BASED 118 ML 12S. 2 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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