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Technical Data Sheet
PartsTable / COMPONENT / RR283
RR283 ✓ 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: EXTERNAL, inside_diameter: 2.618 INCHES NOMINAL IN, major_thickness: 0.049 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-570-1139, 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
RR283
NSN: 5325-00-570-1139
FSC: 5325
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designEXTERNAL
inside_diameter2.618 INCHES NOMINAL IN
major_thickness0.049 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter2.954 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationSAE 1070 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-570-1139
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR283 · 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
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 2.618 INCHES NOMINAL IN
•
RING STYLE: SPECIAL FLAT
•
STRENGTH RATING: ERR-060
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1070 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 2.954 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.049 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER2.618 INCHES NOMINAL IN
RING STYLESPECIAL FLAT
STRENGTH RATINGERR-060
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1070 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER2.954 INCHES NOMINAL IN
MAJOR THICKNESS0.049 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
02531Interchangeable
interchangeable cross-reference
interchangeable
103889Interchangeable
interchangeable cross-reference
interchangeable
303SZ21Interchangeable
interchangeable cross-reference
interchangeable
50-104Interchangeable
interchangeable cross-reference
interchangeable
60-50PC50A2Interchangeable
interchangeable cross-reference
interchangeable
F3291889PC50A2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RR283?
RR283 is a RING,RETAINING.
What parts can replace RR283?
There are 18 known substitutes for RR283: 02531, 103889, 303SZ21 and 15 more. Substitute compatibility should be verified for your specific system.
Is RR283 still available?
RR283 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