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PartsTable / COMPONENT / AA59557-A2
AA59557-A2 ✓ 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 RING,DEE is a the manufacturer industrial component. Key specifications include material: STEEL OR IRON CAST UNS F22400, stock_size: 0.148 IN. DIA IN, inside_width: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, inside_height: 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, mounting_method: STRAP(S), surface_treatment: ZINC AND PHOSPHATE AND ENAMEL SEMIGLOSS.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-202-0228, 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
AA59557-A2
NSN: 5365-00-202-0228
FSC: 5365
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OR IRON CAST UNS F22400
stock_size0.148 IN. DIA IN
inside_width0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
inside_height0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
mounting_methodSTRAP(S)
surface_treatmentZINC AND PHOSPHATE AND ENAMEL SEMIGLOSS
fabrication_methodWELDED
straight_side_formNONROLLER
material_document_and_classificationQQ-W-461 COMPOSITION 1006 THRU 1020 FED SPEC 1ST MATERIAL RESPONSE OR QQ-I-666 GRADE 1 FED SPEC 2ND MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-Z-325,TYPE 3,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE AND MIL-E-480,TYPE 1 OR TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5365-00-202-0228
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,DEE TITLE COMPONENT PN AA59557-A2 MFR RING,DEE
KEY FEATURES
•
INSIDE HEIGHT: 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
•
INSIDE WIDTH: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
•
FABRICATION METHOD: WELDED
•
MATERIAL: STEEL OR IRON CAST UNS F22400
•
STOCK SIZE: 0.148 IN. DIA IN
•
STRAIGHT SIDE FORM: NONROLLER
•
SURFACE TREATMENT: ZINC AND PHOSPHATE AND ENAMEL SEMIGLOSS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-461 COMPOSITION 1006 THRU 1020 FED SPEC 1ST MATERIAL RESPONSE OR QQ-I-666 GRADE 1 FED SPEC 2ND MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE HEIGHT0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
INSIDE WIDTH0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
FABRICATION METHODWELDED
MATERIALSTEEL OR IRON CAST UNS F22400
STOCK SIZE0.148 IN. DIA IN
STRAIGHT SIDE FORMNONROLLER
SURFACE TREATMENTZINC AND PHOSPHATE AND ENAMEL SEMIGLOSS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-461 COMPOSITION 1006 THRU 1020 FED SPEC 1ST MATERIAL RESPONSE OR QQ-I-666 GRADE 1 FED SPEC 2ND MATERIAL RESPONSE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 3,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE AND MIL-E-480,TYPE 1 OR TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
MOUNTING METHODSTRAP(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS51925-4Interchangeable
interchangeable cross-reference
interchangeable
A-A-59557Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3390Interchangeable
interchangeable cross-reference
interchangeable
MS51925-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59557-A2?
AA59557-A2 is a RING,DEE.
What parts can replace AA59557-A2?
There are 4 known substitutes for AA59557-A2: MS51925-4, A-A-59557, MIL-DTL-3390 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59557-A2?
AA59557-A2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-202-0228. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026