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12018A0009 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12018A0009: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPIRAL ROUND, inside_diameter: 1.12 INCHES NOMINAL IN, outside_diameter: 1.304 INCHES NOMINAL IN, material_diameter: 0.092 INCHES NOMINAL IN, end_item_identification: 3990-01-537-1045. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-630-9996, 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
12018A0009
NSN: 5325-01-630-9996
FSC: 5325 — Fastening Devices
CAGE: 01365 — MARINE CORPS SYSTEMS COMMAND DIV MARINE CORPS SYSTEMS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL ROUND
inside_diameter1.12 INCHES NOMINAL IN
outside_diameter1.304 INCHES NOMINAL IN
material_diameter0.092 INCHES NOMINAL IN
supplementary_featuresMATERIAL: MECHANICAL SPRING WIRE,CLASS I OR II IAW ASTM A227 OR ASTM A229. FINISH: 1.9.2.2 OF MIL-STD-171, OLIVE DRAB OR IRIDESCENT YELLOW
end_item_identification3990-01-537-1045
cross-sectional_shape_styleROUND
part_name_assigned_by_controlling_agencyRING
NSN5325-01-630-9996
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12018A0009 · 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 DIAMETER: 0.092 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: MATERIAL: MECHANICAL SPRING WIRE,CLASS I OR II IAW ASTM A227 OR ASTM A229. FINISH: 1.9.2.2 OF MIL-STD-171, OLIVE DRAB OR IRIDESCENT YELLOW
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.304 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.12 INCHES NOMINAL IN
•
RING STYLE: SPIRAL ROUND
TECHNICAL CHARACTERISTICS
MATERIAL DIAMETER0.092 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESMATERIAL: MECHANICAL SPRING WIRE,CLASS I OR II IAW ASTM A227 OR ASTM A229. FINISH: 1.9.2.2 OF MIL-STD-171, OLIVE DRAB OR IRIDESCENT YELLOW
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.304 INCHES NOMINAL IN
INSIDE DIAMETER1.12 INCHES NOMINAL IN
RING STYLESPIRAL ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYRING
END ITEM IDENTIFICATION3990-01-537-1045
MATERIALSTEEL
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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12018A0009?
12018A0009 is a RING,RETAINING.
What is the NSN for 12018A0009?
12018A0009 is cataloged in the U.S. Government catalog under NSN 5325-01-630-9996. 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.