PartsTable
Technical Data Sheet
Download PDF

MA4016-20 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MA4016-20: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 18.29 MILLIMETERS MINIMUM AND 18.62 MILLIMETERS MAXIMUM MM, major_thickness: 1.52 MILLIMETERS MINIMUM AND 1.73 MILLIMETERS MAXIMUM MM, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-588-4206, 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
MA4016-20
NSN: 5325-01-588-4206
FSC: 5325 — Fastening Devices
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter18.29 MILLIMETERS MINIMUM AND 18.62 MILLIMETERS MAXIMUM MM
major_thickness1.52 MILLIMETERS MINIMUM AND 1.73 MILLIMETERS MAXIMUM MM
surface_treatmentPASSIVATE
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-588-4206
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MA4016-20 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 1.52 MILLIMETERS MINIMUM AND 1.73 MILLIMETERS MAXIMUM MM
•
INSIDE DIAMETER: 18.29 MILLIMETERS MINIMUM AND 18.62 MILLIMETERS MAXIMUM MM
•
RING STYLE: SPIRAL
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS1.52 MILLIMETERS MINIMUM AND 1.73 MILLIMETERS MAXIMUM MM
INSIDE DIAMETER18.29 MILLIMETERS MINIMUM AND 18.62 MILLIMETERS MAXIMUM MM
RING STYLESPIRAL
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy MA4016-20?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MA4016-20?
MA4016-20 is a RING,RETAINING.
What is the NSN for MA4016-20?
MA4016-20 is cataloged in the U.S. Government catalog under NSN 5325-01-588-4206. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MA4016-20

✓ PartsTable — the parts reference. Every fact cited to its source.
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.