PartsTable
Technical Data Sheet
PartsTable / MOUNT,RESILIENT,WEAPON SYSTEM / 211581
211581 ✓ 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

The COUPLER,ROTARY,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 1.2500 INCHES NOMINAL IN, outside_diameter: 4.7500 INCHES NOMINAL IN, special_features: ROTARY JOINT, SPECIAL, AFSCN/CUE, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5342-00-055-2642, 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
211581
NSN: 5342-00-055-2642
FSC: 5342 — MOUNT,RESILIENT,WEAPON SYSTEM
CAGE: 81860 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA BARRY WRIGHT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.2500 INCHES NOMINAL IN
outside_diameter4.7500 INCHES NOMINAL IN
special_featuresROTARY JOINT, SPECIAL, AFSCN/CUE
style_designatorNORMAL ANGLE
backface_corner_radius0.1250 INCHES NOMINAL IN
end_item_identificationAN/FSQ-151(V)
standard_tolerance_designationAFBMA CLASS 2
NSN5342-00-055-2642
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,ROTARY,RADIO FREQUENCY TITLE COMPONENT PN 211581 MFR COUPLER,ROTARY,RADIO F
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
36601HInterchangeable
interchangeable cross-reference
interchangeable
612Interchangeable
interchangeable cross-reference
interchangeable
93085Interchangeable
interchangeable cross-reference
interchangeable
211581Interchangeable
interchangeable cross-reference
interchangeable
21158/1Interchangeable
interchangeable cross-reference
interchangeable
RC1111OH1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 211581?
211581 is a COUPLER,ROTARY,RADIO FREQUENCY.
What parts can replace 211581?
There are 7 known substitutes for 211581: 36601H, 612, 93085 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 211581?
211581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5342-00-055-2642. 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