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UR218S — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

UR218S: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: SPECIAL, usage_design: INTERNAL, inside_diameter: 1.973 INCHES NOMINAL IN, major_thickness: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-080-2399, 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
UR218S
NSN: 5325-01-080-2399
NIINs: 010802399, 012401693, 014699923
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPECIAL
usage_designINTERNAL
inside_diameter1.973 INCHES NOMINAL IN
major_thickness0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter2.289 INCHES NOMINAL IN
material_diameter0.031 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
end_item_identificationLH AMAD MOD K; ENGINE, AIRCRAFT, F100 PW220
cross-sectional_shape_styleROUND
material_document_and_classificationAISI/SAE TYPE 302 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-01-080-2399
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: UR218S · 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
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI/SAE TYPE 302 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.289 INCHES MINIMUM AND 2.314 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.973 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONAISI/SAE TYPE 302 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.289 INCHES MINIMUM AND 2.314 INCHES MAXIMUM IN
MAJOR THICKNESS0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
INSIDE DIAMETER1.973 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL
MATERIALSTEEL COMP 302
SUBSTITUTES & CROSS-REFERENCES 1
ZZM9012-40ESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 UR218S?
UR218S is a RING,RETAINING.
What parts can replace UR218S?
There is 1 known substitute for UR218S: ZZM9012-40E. Substitute compatibility should be verified for your specific system.
What is the NSN for UR218S?
UR218S is cataloged in the U.S. Government catalog under NSN 5325-01-080-2399. This indicates validated use in U.S. government and defense supply chains.
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