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11609158 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11609158: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, end_style: VERTEX BELOW CENTER, ring_style: ANGULAR CAP, inside_diameter: 0.875 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, material_diameter: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-187-0490, 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
11609158
NSN: 5325-01-187-0490
FSC: 5325 — Fastening Devices
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
end_styleVERTEX BELOW CENTER
ring_styleANGULAR CAP
inside_diameter0.875 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
material_diameter0.125 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
material_document_and_classificationQQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-01-187-0490
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11609158 · 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
•
MATERIAL DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: ANGULAR CAP
TECHNICAL CHARACTERISTICS
END STYLEVERTEX BELOW CENTER
MATERIAL DIAMETER0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
INSIDE DIAMETER0.875 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEANGULAR CAP
MATERIALALUMINUM ALLOY 6061
SUBSTITUTES & CROSS-REFERENCES 1
AS5174-1616Same 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 11609158?
11609158 is a RING,RETAINING.
What parts can replace 11609158?
There is 1 known substitute for 11609158: AS5174-1616. Substitute compatibility should be verified for your specific system.
What is the NSN for 11609158?
11609158 is cataloged in the U.S. Government catalog under NSN 5325-01-187-0490. 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.