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RR-231 — RING,AIRCRAFT EQUIP

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RR-231: RING,AIRCRAFT EQUIP.

The RING,AIRCRAFT EQUIP is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 2.127 INCHES NOMINAL IN, major_thickness: 0.049 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-205-4754, 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-231
NSN: 5325-00-205-4754
NIINs: 002054754, 008507044, 014891434
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter2.127 INCHES NOMINAL IN
major_thickness0.049 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter2.403 INCHES NOMINAL IN
special_featuresGROUND SUPPORT EQUIPMENT, GENERATOR FOR AECTS (MEAK-1)
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
end_item_identificationTEST STAND 4920-01-464-2615
material_hardness_rating64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.8 ROCKWELL SUPERFICIAL 30-N MAXIMUM
NSN5325-00-205-4754
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RR-231 · 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: 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.8 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: INTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1070 - 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 2.403 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.048 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.127 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.8 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1070 - 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER2.403 INCHES NOMINAL IN
MAJOR THICKNESS0.048 INCHES NOMINAL IN
INSIDE DIAMETER2.127 INCHES NOMINAL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RR-231?
RR-231 is a RING,AIRCRAFT EQUIP.
What is the NSN for RR-231?
RR-231 is cataloged in the U.S. Government catalog under NSN 5325-00-205-4754. This indicates validated use in U.S. government and defense supply chains.
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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.