PartsTable
Technical Data Sheet
PartsTable / COMPONENT / X-5133-31
X-5133-31 ✓ 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 usage_design: EXTERNAL, inside_diameter: 0.243 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE, casehardening_indicator: NOT CASEHARDENED, material_hardness_rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-598-6355, 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
X-5133-31
NSN: 5325-00-598-6355
FSC: 5325
CAGE: 07382 — ROTOR CLIP COMPANY, INC. (USA)
SPECIFICATIONS
ring_styleE
usage_designEXTERNAL
inside_diameter0.243 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-598-6355
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X-5133-31 · 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: EXTERNAL
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,FS1066 TO FS1090 FED STD SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 0.243 INCHES NOMINAL IN
•
RING STYLE: E
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNEXTERNAL
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,FS1066 TO FS1090 FED STD SINGLE MATERIAL RESPONSE
INSIDE DIAMETER0.243 INCHES NOMINAL IN
RING STYLEE
MAJOR THICKNESS0.025 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL HARDNESS RATING66.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
X5133-31MDInterchangeable
interchangeable cross-reference
interchangeable
5325PL1361944Interchangeable
interchangeable cross-reference
interchangeable
5133-31-S-MDInterchangeable
interchangeable cross-reference
interchangeable
354345X1Interchangeable
Same NIIN cross-reference
interchangeable
N1500-X31ASInterchangeable
Same NIIN cross-reference
interchangeable
F78B31Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X-5133-31?
X-5133-31 is a RING,RETAINING.
What parts can replace X-5133-31?
There are 10 known substitutes for X-5133-31: X5133-31MD, 5325PL1361944, 5133-31-S-MD and 7 more. Substitute compatibility should be verified for your specific system.
Is X-5133-31 still available?
X-5133-31 is currently cancelled.
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Last verified: July 2026