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PartsTable / COMPONENT / 581R128H01
581R128H01 ✓ Verified by PartsTable
— · COMPONENT
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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include body_style: IRREGULAR, overall_width: 1.500 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 1.875 INCHES NOMINAL IN, precious_material: PLATINUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-321-7640, 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
581R128H01
NSN: 5985-00-321-7640
FSC: 5985
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
body_styleIRREGULAR
overall_width1.500 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length1.875 INCHES NOMINAL IN
precious_materialPLATINUM
NSN5985-00-321-7640
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN 581R128H01 MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
•
PRECIOUS MATERIAL: PLATINUM
•
BODY STYLE: IRREGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.500 INCHES NOMINAL IN
PRECIOUS MATERIALPLATINUM
BODY STYLEIRREGULAR
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OVERALL LENGTH1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A65SCInterchangeable
interchangeable cross-reference
interchangeable
AX65Interchangeable
interchangeable cross-reference
interchangeable
5530Interchangeable
interchangeable cross-reference
interchangeable
CS1320Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581R128H01?
581R128H01 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 581R128H01?
There are 4 known substitutes for 581R128H01: A65SC, AX65, 5530 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581R128H01?
581R128H01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-321-7640. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026