PartsTable
Technical Data Sheet
MS16633-1018 ✓ 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, usage_design: EXTERNAL, inside_diameter: 0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN, major_thickness: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND DICHROMATE, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-010-2509, 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
MS16633-1018
NSN: 5325-00-010-2509
FSC: 5325
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
ring_styleE
usage_designEXTERNAL
inside_diameter0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND DICHROMATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-010-2509
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16633-1018 · 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
INSIDE DIAMETER: 0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL: STEEL
SURFACE TREATMENT: CADMIUM AND DICHROMATE
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGN: EXTERNAL
MATERIAL HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL
SURFACE TREATMENTCADMIUM AND DICHROMATE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGNEXTERNAL
MATERIAL HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEE
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
340-0087-000Interchangeable
interchangeable cross-reference
interchangeable
7481894P5Interchangeable
interchangeable cross-reference
interchangeable
5133-18SMDRInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-21248Interchangeable
Same NIIN cross-reference
interchangeable
855514-00Interchangeable
Same NIIN cross-reference
interchangeable
9419254Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16633-1018?
MS16633-1018 is a RING,RETAINING.
What parts can replace MS16633-1018?
There are 7 known substitutes for MS16633-1018: 340-0087-000, 7481894P5, 5133-18SMDR and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16633-1018?
MS16633-1018 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-010-2509. This indicates validated use in U.S. government and defense supply chains.
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