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PartsTable / COMPONENT / 18GS115
18GS115 ✓ 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, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 3.227 INCHES NOMINAL IN, major_thickness: 0.107 INCHES NOMINAL IN, outside_diameter: 3.734 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-085-4420, 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
18GS115
NSN: 5325-01-085-4420
FSC: 5325
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter3.227 INCHES NOMINAL IN
major_thickness0.107 INCHES NOMINAL IN
outside_diameter3.734 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationSPIROLOX RPT 350,GARRISON MFG CO MFR REF SINGLE MATERIAL RESPONSE
NSN5325-01-085-4420
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18GS115 · 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
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SPIROLOX RPT 350,GARRISON MFG CO MFR REF SINGLE MATERIAL RESPONSE
•
USAGE DESIGN: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 3.734 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.107 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
INSIDE DIAMETER: 3.227 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONSPIROLOX RPT 350,GARRISON MFG CO MFR REF SINGLE MATERIAL RESPONSE
USAGE DESIGNINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER3.734 INCHES NOMINAL IN
MAJOR THICKNESS0.107 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
INSIDE DIAMETER3.227 INCHES NOMINAL IN
RING STYLESPECIAL FLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
32987Interchangeable
interchangeable cross-reference
interchangeable
329.87Interchangeable
interchangeable cross-reference
interchangeable
6515NCM093744Interchangeable
interchangeable cross-reference
interchangeable
13377Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18GS115?
18GS115 is a RING,RETAINING.
What parts can replace 18GS115?
There are 4 known substitutes for 18GS115: 32987, 329.87, 6515NCM093744 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18GS115?
18GS115 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-085-4420. 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