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517441 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

517441: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, usage_design: EXTERNAL, inside_diameter: 0.182 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN, major_thickness: 0.025 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-160-0153, 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
517441
NSN: 5325-00-160-0153
FSC: 5325 — Fastening Devices
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
materialSTEEL
ring_styleE
usage_designEXTERNAL
inside_diameter0.182 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
major_thickness0.025 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-160-0153
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 517441 · 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
KEY FEATURES
•
USAGE DESIGN: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.182 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: E
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.025 INCHES NOMINAL IN
INSIDE DIAMETER0.182 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 4
19084TReference document
Same NSN cross-reference
Reference document — Secondary reference
507647Reference document
Same NSN cross-reference
Reference document — Secondary reference
A276Reference document
Same NSN cross-reference
Reference document — Secondary reference
H64-158Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 517441?
517441 is a RING,RETAINING.
What parts can replace 517441?
There are 4 known substitutes for 517441: 19084T, 507647, A276 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 517441?
517441 is cataloged in the U.S. Government catalog under NSN 5325-00-160-0153. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.