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AS3218-185 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AS3218-185: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN, inside_diameter: 3.628 INCHES MINIMUM AND 3.668 INCHES MAXIMUM IN, minor_thickness: 0.192 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: RING,RETAINING-SPIRAL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-720-9945, 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
AS3218-185
NSN: 5325-01-720-9945
FSC: 5325 — Fastening Devices
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
inside_diameter3.628 INCHES MINIMUM AND 3.668 INCHES MAXIMUM IN
minor_thickness0.192 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyRING,RETAINING-SPIRAL
NSN5325-01-720-9945
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AS3218-185 · 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
•
MINOR THICKNESS: 0.192 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.628 INCHES MINIMUM AND 3.668 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
MINOR THICKNESS0.192 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
INSIDE DIAMETER3.628 INCHES MINIMUM AND 3.668 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRING,RETAINING-SPIRAL
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
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FREQUENTLY ASKED QUESTIONS
What is AS3218-185?
AS3218-185 is a RING,RETAINING.
What is the NSN for AS3218-185?
AS3218-185 is cataloged in the U.S. Government catalog under NSN 5325-01-720-9945. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.