PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2221Sensor,oxygen Monitoring

Masimo Corporation · NSN 6515-01-572-6929 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-572-6929 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-572-6929. Primary manufacturer part number: 2221.
Features
  • Sensor,oxygen Monitoring — FSC 6515
  • Size Designation: ADULT
  • 4 verified cross-references
  • Primary manufacturer: Masimo Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sensor,oxygen Monitoring, cataloged under National Stock Number 6515-01-572-6929, 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 Masimo Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6515-01-572-6929
Primary Part Number2221
Item NameSensor,oxygen Monitoring
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerMasimo Corporation
StatusACTIVE
Size DesignationADULT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 12
5306-00-206-38952221 SUCCESSOR
Bolt,eye
Fabrication Specialty Inc Dba Fabrication Specialty Inc
Tape,sealing,sterilization Indic
Plug,protective,dust and Moistur
Lock Set,mortise
5133-00-228-1343 INTERCHANGEABLE
Drill,twist
5950-00-265-561111078 INTERCHANGEABLE
Coil,radio Frequency
Cornell-Dubilier Marketing Inc
5998-00-483-7343 INTERCHANGEABLE
Circuit Card Assembly
5905-00-789-596011687660 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5330-00-979-5744110-7-8 INTERCHANGEABLE
Packing with Retainer
Parker Hannifin Corporation Div O-Ring Division
2990-01-081-27547S4995 INTERCHANGEABLE
Cap,muffler
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
RAINBOW R25 ADHESIVE SENSOR Masimo Corporation (USA)
2221 PRIMARY Masimo Corporation (USA)
6515NCM093213 Defense Medical Standardization Board (USA)
11078 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
Related Parts
5306-00-206-3895SUCCESSOR
BOLT,EYE
2221
6530-00-299-9821SUCCESSOR
TAPE,SEALING,STERILIZATION INDIC
5340-00-989-5769SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-029-7940SUCCESSOR
LOCK SET,MORTISE
5133-00-228-1343INTERCHANGEABLE
DRILL,TWIST
5950-00-265-5611INTERCHANGEABLE
COIL,RADIO FREQUENCY
11078
5998-00-483-7343INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5905-00-789-5960INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
11687660
5330-00-979-5744INTERCHANGEABLE
PACKING WITH RETAINER
110-7-8
2990-01-081-2754INTERCHANGEABLE
CAP,MUFFLER
7S4995
6550-01-129-8953INTERCHANGEABLE
CULTURE MEDIUM,BRILLIANT GREEN B
4310-01-184-4258INTERCHANGEABLE
RING,PISTON
UJ1

Frequently Asked Questions

What is NSN 6515-01-572-6929?

NSN 6515-01-572-6929 is a Sensor,oxygen Monitoring, manufactured by Masimo Corporation, classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-572-6929?

NSN 6515-01-572-6929 has 4 cross-referenced part numbers: RAINBOW R25 ADHESIVE SENSOR (Masimo Corporation), 2221 (Masimo Corporation), 6515NCM093213 (Defense Medical Standardization Board), 11078 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia).

What NSN replaces 6515-01-572-6929?

There are 12 known substitutes for 6515-01-572-6929: 5306-00-206-3895, 6530-00-299-9821, 5340-00-989-5769 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2221?

Key specifications for 2221: End Item Identification: 6515-01-572-7224, MASIMO RAD-57 CO-OXIMETER; Size Designation: ADULT; Part Name Assigned by Controlling Agency: RAINBOW R25 ADHESIVE SENSOR FOR RAD 57 DISPOSABLE 10S; Special Features: DISPOSABLE SENSOR; MEASURES OXYGEN SATURATION (SPO2), CARBOXYHEMOGLOBIN (SPCO), AND METHEMOGLOBIN (SPMET); PACKAGE OF 10; FOR USE WITH MASIMO RAD-57 CO-OXIMETER. 4 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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