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951818 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

951818: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 1.611 INCHES MINIMUM AND 1.631 INCHES MAXIMUM IN, outside_diameter: 1.853 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN, material_diameter: 0.121 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-045-2097, 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
951818
NSN: 5325-01-045-2097
FSC: 5325 — Fastening Devices
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter1.611 INCHES MINIMUM AND 1.631 INCHES MAXIMUM IN
outside_diameter1.853 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN
material_diameter0.121 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
NSN5325-01-045-2097
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 951818 · 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: INTERNAL
•
MATERIAL DIAMETER: 0.121 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.853 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.611 INCHES MINIMUM AND 1.631 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPECIAL FLAT
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DIAMETER0.121 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.853 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN
INSIDE DIAMETER1.611 INCHES MINIMUM AND 1.631 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 951818?
951818 is a RING,RETAINING.
What is the NSN for 951818?
951818 is cataloged in the U.S. Government catalog under NSN 5325-01-045-2097. 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.