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505055 ✓ 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 BREECH RING,DIVER'S HELMET is a the manufacturer industrial component. Key specifications include shape: OVAL, special_features: NECK CLAMP PART OF 6318240-1 YOKE ASSEMBLY, end_item_identification: UBA MK 21 MOD 1 HELMET ASSEMBLY 6318360, criticality_code_justification: AGAV. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1610-00-547-6066, 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
505055
NSN: 1610-00-547-6066
FSC: 1610
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
shapeOVAL
special_featuresNECK CLAMP PART OF 6318240-1 YOKE ASSEMBLY
end_item_identificationUBA MK 21 MOD 1 HELMET ASSEMBLY 6318360
criticality_code_justificationAGAV
NSN1610-00-547-6066
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BREECH RING,DIVER'S HELMET TITLE COMPONENT PN 505055 MFR BREECH RING,DIVER'S HE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
505-055Interchangeable
Breech Ring,diver's Helmet
interchangeable
505-003Interchangeable
Breech Ring,diver's Helmet
interchangeable
592-6318245Interchangeable
Breech Ring,diver's Helmet
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 505055?
505055 is a BREECH RING,DIVER'S HELMET.
What parts can replace 505055?
There are 3 known substitutes for 505055: 505-055, 505-003, 592-6318245. Substitute compatibility should be verified for your specific system.
What is the NSN for 505055?
505055 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1610-00-547-6066. 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