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Technical Data Sheet
PartsTable / COMPONENT / RST59S
RST59S ✓ 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 COMP 302, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 0.554 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN, major_thickness: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-298-9458, 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
RST59S
NSN: 5325-00-298-9458
FSC: 5325
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter0.554 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
major_thickness0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter0.644 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationAMS 5516 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-298-9458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RST59S · 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
•
INSIDE DIAMETER: 0.554 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
STRENGTH RATING: ERR-060
•
MATERIAL: STEEL COMP 302
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.644 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
•
USAGE DESIGN: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.554 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
MAJOR THICKNESS0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
STRENGTH RATINGERR-060
MATERIALSTEEL COMP 302
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5516 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.644 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
USAGE DESIGNEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
RING STYLESPIRAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
190797R92Interchangeable
interchangeable cross-reference
interchangeable
2710Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793/8Interchangeable
interchangeable cross-reference
interchangeable
1788709-1Interchangeable
interchangeable cross-reference
interchangeable
MIS-10255Interchangeable
interchangeable cross-reference
interchangeable
4974Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RST59S?
RST59S is a RING,RETAINING.
What parts can replace RST59S?
There are 15 known substitutes for RST59S: 190797R92, 2710, MIL-B-81793/8 and 12 more. Substitute compatibility should be verified for your specific system.
Is RST59S still available?
RST59S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026