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Technical Data Sheet
PartsTable / COMPONENT / A61655 ITEM 28
A61655 ITEM 28 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-466-8328, 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
A61655 ITEM 28
NSN: 5325-01-466-8328
FSC: 5325
CAGE: 0DT23 — EATON CORPORATION DBA EATON INOAC (USA)
SPECIFICATIONS
Part NumberA61655 ITEM 28
NSN5325-01-466-8328
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A61655 ITEM 28 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A61655Interchangeable
interchangeable cross-reference
interchangeable
61655Interchangeable
interchangeable cross-reference
interchangeable
30-3.4.3 PART-8 2INInterchangeable
interchangeable cross-reference
interchangeable
A64155 ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
201201-114Interchangeable
interchangeable cross-reference
interchangeable
44659Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A61655 ITEM 28?
A61655 ITEM 28 is a RING,RETAINING.
What parts can replace A61655 ITEM 28?
There are 16 known substitutes for A61655 ITEM 28: A61655, 61655, 30-3.4.3 PART-8 2IN and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A61655 ITEM 28?
A61655 ITEM 28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-466-8328. 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