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RR-243 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RR-243: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 2.247 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN, major_thickness: 0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-252-7764, 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
RR-243
NSN: 5325-00-252-7764
NIINs: 002527764, 005986274, 011790841
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter2.247 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
major_thickness0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter2.543 INCHES MINIMUM AND 2.558 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationSAE 1080 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-252-7764
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR-243 · 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 HARDNESS RATING: 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: INTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1080 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 2.543 INCHES MINIMUM AND 2.558 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.247 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1080 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER2.543 INCHES MINIMUM AND 2.558 INCHES MAXIMUM IN
MAJOR THICKNESS0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
INSIDE DIAMETER2.247 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RR-243?
RR-243 is a RING,RETAINING.
What is the NSN for RR-243?
RR-243 is cataloged in the U.S. Government catalog under NSN 5325-00-252-7764. This indicates validated use in U.S. government and defense supply chains.
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