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11B5190588-17 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11B5190588-17: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX BELOW CENTER, ring_style: EXTERNAL, inside_diameter: 1.875 INCHES NOMINAL IN, major_thickness: 0.062 INCHES NOMINAL IN, special_features: FINISH BLACK OXIDE-TENSILE 150000 PSI. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-656-0363, 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
11B5190588-17
NSN: 5325-01-656-0363
FSC: 5325 — Fastening Devices
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX BELOW CENTER
ring_styleEXTERNAL
inside_diameter1.875 INCHES NOMINAL IN
major_thickness0.062 INCHES NOMINAL IN
special_featuresFINISH BLACK OXIDE-TENSILE 150000 PSI
surface_treatmentOXIDE
part_name_assigned_by_controlling_agencyINTERNAL RETAINING RING
NSN5325-01-656-0363
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11B5190588-17 · 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
•
END STYLE: VERTEX BELOW CENTER
•
MAJOR THICKNESS: 0.062 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
RING STYLE: EXTERNAL
•
SURFACE TREATMENT: OXIDE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
END STYLEVERTEX BELOW CENTER
MAJOR THICKNESS0.062 INCHES NOMINAL IN
INSIDE DIAMETER1.875 INCHES NOMINAL IN
RING STYLEEXTERNAL
SPECIAL FEATURESFINISH BLACK OXIDE-TENSILE 150000 PSI
SURFACE TREATMENTOXIDE
PART NAME ASSIGNED BY CONTROLLING AGENCYINTERNAL RETAINING RING
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
11B5190588Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 11B5190588-17?
11B5190588-17 is a RING,RETAINING.
What parts can replace 11B5190588-17?
There is 1 known substitute for 11B5190588-17: 11B5190588. Substitute compatibility should be verified for your specific system.
What is the NSN for 11B5190588-17?
11B5190588-17 is cataloged in the U.S. Government catalog under NSN 5325-01-656-0363. 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.