PartsTable
Technical Data Sheet
PartsTable / MRO / S21
S21 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MONITOR,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include color: BLACK BORDER, width: 36.000 INCHES NOMINAL IN, length: 36.000 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, cup_width: 0.5800 INCHES NOMINAL IN, fuel_type: ACETYLENE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-469-9045, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ S21
NSN: 5895-01-469-9045
FSC: 5895
CAGE: 1EFA7 — VERTEX RSI, INC (USA)
SPECIFICATIONS
colorBLACK BORDER
width36.000 INCHES NOMINAL IN
length36.000 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
cup_width0.5800 INCHES NOMINAL IN
fuel_typeACETYLENE
thickness0.032 INCHES NOMINAL IN
cone_width0.7800 INCHES NOMINAL IN
design_typeCUTTING-OFF
holder_typeSTRAIGHT
inscriptionSCHOOL CROSSING
shank_width0.500 INCHES NOMINAL IN
NSN5895-01-469-9045
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MONITOR,AUDIO FREQUENCY TITLE COMPONENT PN S21 MFR MONITOR,AUDIO FREQUENC
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSATELLITE COMMUNICATIONS
SPECIAL FEATURESMONITOR 21 INCH PANASYNC IN
END ITEM IDENTIFICATIONSATELLITE COMMUNICATIONS
SPECIAL FEATURESMONITOR 21 INCH PANASYNC IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
S21Interchangeable
interchangeable cross-reference
interchangeable
521Interchangeable
interchangeable cross-reference
interchangeable
00H581TYPE3CLASS1STYLEBSIZECS41Interchangeable
interchangeable cross-reference
interchangeable
B107.2 CL1STAInterchangeable
interchangeable cross-reference
interchangeable
B107.110Interchangeable
interchangeable cross-reference
interchangeable
B107.2 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy S21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is S21?
S21 is a MONITOR,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace S21?
There are 17 known substitutes for S21: S21, 521, 00H581TYPE3CLASS1STYLEBSIZECS41 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S21?
S21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-469-9045. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — S21

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026