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N611543 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

N611543: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, ring_style: ANGULAR CAP, usage_design: INTERNAL, inside_diameter: 2.385 INCHES MINIMUM IN, major_thickness: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, outside_diameter: 2.585 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-558-0322, 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
N611543
NSN: 5325-00-558-0322
FSC: 5325 — Fastening Devices
CAGE: K4358 — SAFRAN ELECTRICAL & POWER UK LIMITED (GBR)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
ring_styleANGULAR CAP
usage_designINTERNAL
inside_diameter2.385 INCHES MINIMUM IN
major_thickness0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
outside_diameter2.585 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-558-0322
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N611543 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.585 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.385 INCHES MINIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: ANGULAR CAP
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.585 INCHES MAXIMUM IN
MAJOR THICKNESS0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
INSIDE DIAMETER2.385 INCHES MINIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEANGULAR CAP
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
SUBSTITUTES & CROSS-REFERENCES 2
CA67668-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
279198Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 N611543?
N611543 is a RING,RETAINING.
What parts can replace N611543?
There are 2 known substitutes for N611543: CA67668-001, 279198. Substitute compatibility should be verified for your specific system.
What is the NSN for N611543?
N611543 is cataloged in the U.S. Government catalog under NSN 5325-00-558-0322. 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.