PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MX521Stopcock,intravenous Therapy

Medex, Inc. · NSN 6515-00-926-9195 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-00-926-9195 — this item is cataloged by the U.S. Government under National Stock Number 6515-00-926-9195. Primary manufacturer part number: MX521.
Features
  • Stopcock,intravenous Therapy — FSC 6515
  • Design Type: THREE-WAY
  • Sterility: STERILE
  • Supplementary Features: D-DAY ITEM FOR DOD
  • Material: PLASTIC LOCATION NOT OTHERWISE SPECIFIED
  • Female Adapter End Quantity: 2
  • Disposition After Initial Use: DISPOSABLE
  • Male Adapter End: INCLUDED
Applications
  • Applications requiring Plastic Location Not Otherwise Specified construction
General Description

The Stopcock,intravenous Therapy, cataloged under National Stock Number 6515-00-926-9195, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Medex, Inc.. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6515-00-926-9195
Primary Part NumberMX521
Item NameStopcock,intravenous Therapy
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerMedex, Inc.
StatusACTIVE
Design TypeTHREE-WAY
SterilitySTERILE
Supplementary FeaturesD-DAY ITEM FOR DOD
MaterialPLASTIC LOCATION NOT OTHERWISE SPECIFIED
Female Adapter End Quantity2
Disposition After Initial UseDISPOSABLE
Male Adapter EndINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2910-00-378-9737 INTERCHANGEABLE
Filter Element,fluid
5342-00-880-2339 INTERCHANGEABLE
Cap,filler Opening
5985-01-527-5653000-11640-001 INTERCHANGEABLE
Antenna
Navico, Inc. Dba Navico Logistics Div Navicogroup
Cross-Reference Index
Part NumberManufacturer
K72 Baxter Healthcare Corp Baxter Pharmaseal Convertors Div (USA)
MX521 PRIMARY Medex, Inc. (USA)
8P018 Mallinckrodt Inc Forma Scientific Div (USA)
Related Parts
2910-00-378-9737INTERCHANGEABLE
FILTER ELEMENT,FLUID
5342-00-880-2339INTERCHANGEABLE
CAP,FILLER OPENING
5985-01-527-5653INTERCHANGEABLE
ANTENNA
000-11640-001

Frequently Asked Questions

What is NSN 6515-00-926-9195?

NSN 6515-00-926-9195 is a Stopcock,intravenous Therapy, manufactured by Medex, Inc., classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-00-926-9195?

NSN 6515-00-926-9195 has 3 cross-referenced part numbers: K72 (Baxter Healthcare Corp Baxter Pharmaseal Convertors Div), MX521 (Medex, Inc.), 8P018 (Mallinckrodt Inc Forma Scientific Div).

What NSN replaces 6515-00-926-9195?

There are 3 known substitutes for 6515-00-926-9195: 2910-00-378-9737, 5342-00-880-2339, 5985-01-527-5653. Verify interchangeability with system specifications before substitution.

What are the specifications of MX521?

Key specifications for MX521: Design Type: THREE-WAY; Sterility: STERILE; Special Features: W/O TUBING; FOR DIRECTIONAL FLOW/W INDICATORS FOR FLOW PATTERN; SIDE ARMS,NEEDLE AND ADAPTER FILLINGS; ROTATING PLUG AND END PROTECTORS; INDIVIDUALLY SEALED; UNIT QTY 50 EA; Supplementary Features: D-DAY ITEM FOR DOD. 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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