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SK000177 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SK000177: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018, end_style: DIAGONAL PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 2.687 INCHES NOMINAL IN, major_thickness: 0.015 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-807-3471, 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
SK000177
NSN: 5325-00-807-3471
FSC: 5325 — Fastening Devices
CAGE: 77640 — ZF ACTIVE SAFETY AND ELECTRONICS US LLC DIV TRW COMMERCIAL STEERING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1018
end_styleDIAGONAL PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter2.687 INCHES NOMINAL IN
major_thickness0.015 INCHES NOMINAL IN
outside_diameter2.937 INCHES NOMINAL IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE 1018 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-807-3471
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SK000177 · 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: EXTERNAL
•
END STYLE: DIAGONAL PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.937 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.015 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.687 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLEDIAGONAL PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1018 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.937 INCHES NOMINAL IN
MAJOR THICKNESS0.015 INCHES NOMINAL IN
INSIDE DIAMETER2.687 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SURFACE TREATMENTCADMIUM
SUBSTITUTES & CROSS-REFERENCES 2
233897Reference document
Same NSN cross-reference
Reference document — Secondary reference
401236Reference 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 SK000177?
SK000177 is a RING,RETAINING.
What parts can replace SK000177?
There are 2 known substitutes for SK000177: 233897, 401236. Substitute compatibility should be verified for your specific system.
What is the NSN for SK000177?
SK000177 is cataloged in the U.S. Government catalog under NSN 5325-00-807-3471. 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.