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Technical Data Sheet
PartsTable / COMPONENT / RR975
RR975 ✓ 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: 9.383 INCHES NOMINAL IN, major_thickness: 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, outside_diameter: 10.068 INCHES MINIMUM AND 10.133 INCHES MAXIMUM 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 5325-00-933-9726, 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
RR975
NSN: 5325-00-933-9726
FSC: 5325
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter9.383 INCHES NOMINAL IN
major_thickness0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
outside_diameter10.068 INCHES MINIMUM AND 10.133 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-933-9726
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR975 · 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: 9.383 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 10.068 INCHES MINIMUM AND 10.133 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
RING STYLE: SPIRAL
•
USAGE DESIGN: EXTERNAL
•
MAJOR THICKNESS: 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER9.383 INCHES NOMINAL IN
OUTSIDE DIAMETER10.068 INCHES MINIMUM AND 10.133 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
RING STYLESPIRAL
USAGE DESIGNEXTERNAL
MAJOR THICKNESS0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
T2306BInterchangeable
interchangeable cross-reference
interchangeable
T2302BInterchangeable
interchangeable cross-reference
interchangeable
40529Interchangeable
interchangeable cross-reference
interchangeable
725144Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RR975?
RR975 is a RING,RETAINING.
What parts can replace RR975?
There are 4 known substitutes for RR975: T2306B, T2302B, 40529 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RR975?
RR975 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-933-9726. 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