PartsTable
Technical Data Sheet
RS66S ✓ 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. Key specifications include material: STEEL CORROSION RESISTING, ring_style: SPIRAL, usage_design: EXTERNAL OR INTERNAL, inside_diameter: 0.616 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN, major_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, strength_rating: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-515-0603, 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
RS66S
NSN: 5325-00-515-0603
FSC: 5325
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPIRAL
usage_designEXTERNAL OR INTERNAL
inside_diameter0.616 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter0.716 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating59.3 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 67.2 ROCKWELL C MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationAISI 18-8, TYPE 3 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-515-0603
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RS66S · 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
MATERIAL: STEEL
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 18-8, TYPE 3 ASSN STD SINGLE MATERIAL RESPONSE
STRENGTH RATING: ERR-060
RING STYLE: SPIRAL
MAJOR THICKNESS: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.739 INCHES NOMINAL IN
MATERIAL HARDNESS RATING: 59.3 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 67.2 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNEXTERNAL
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 18-8, TYPE 3 ASSN STD SINGLE MATERIAL RESPONSE
STRENGTH RATINGERR-060
RING STYLESPIRAL
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.739 INCHES NOMINAL IN
MATERIAL HARDNESS RATING59.3 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 67.2 ROCKWELL C MAXIMUM
INSIDE DIAMETER0.616 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
RS66SInterchangeable
interchangeable cross-reference
interchangeable
373213Interchangeable
interchangeable cross-reference
interchangeable
5365005150603Interchangeable
Same NIIN cross-reference
interchangeable
11699900-158Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RS66S?
RS66S is a RING,RETAINING.
What parts can replace RS66S?
There are 4 known substitutes for RS66S: RS66S, 373213, 5365005150603 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RS66S?
RS66S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-515-0603. This indicates validated use in U.S. government and defense supply chains.
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