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RR146SK — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RR146SK: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 1.339 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN, major_thickness: 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN, outside_diameter: 1.535 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-926-7233, 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
RR146SK
NSN: 5325-00-926-7233
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter1.339 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
major_thickness0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
outside_diameter1.535 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationFED STD 66,COMPOSITION 302 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-926-7233
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR146SK · 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: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,COMPOSITION 302 FED STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 1.535 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.339 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPECIAL FLAT
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,COMPOSITION 302 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER1.535 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN
MAJOR THICKNESS0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
INSIDE DIAMETER1.339 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
MATERIALSTEEL COMP 302
SUBSTITUTES & CROSS-REFERENCES 1
3016T48Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RR146SK?
RR146SK is a RING,RETAINING.
What parts can replace RR146SK?
There is 1 known substitute for RR146SK: 3016T48. Substitute compatibility should be verified for your specific system.
What is the NSN for RR146SK?
RR146SK is cataloged in the U.S. Government catalog under NSN 5325-00-926-7233. 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.