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Technical Data Sheet
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12528858 — Technical Data Sheet

✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, groove_width: 0.06 INCHES NOMINAL IN, spline_width: 0.12 INCHES NOMINAL IN, grommet_style: CONICAL, hole_diameter: 0.25 INCHES NOMINAL IN, overall_width: 1.22 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5325-01-686-3464, 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
12528858
NSN: 5325-01-686-3464
FSC: 5325
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER OVERALL
groove_width0.06 INCHES NOMINAL IN
spline_width0.12 INCHES NOMINAL IN
grommet_styleCONICAL
hole_diameter0.25 INCHES NOMINAL IN
overall_width1.22 INCHES NOMINAL IN
recess_diameter1.56 INCHES NOMINAL IN
flange_thickness0.06 INCHES NOMINAL IN
spline_major_diameter2.06 INCHES NOMINAL IN
spline_minor_diameter1.12 INCHES NOMINAL IN
end_item_identification8405015549638
material_document_and_classificationASTM D2000 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NSN5325-01-686-3464
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12528858 · 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
•
HOLE DIAMETER: 0.25 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.06 INCHES NOMINAL IN
•
SPLINE MINOR DIAMETER: 1.12 INCHES NOMINAL IN
•
GROMMET STYLE: CONICAL
•
SPLINE WIDTH: 0.12 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOLE DIAMETER0.25 INCHES NOMINAL IN
FLANGE THICKNESS0.06 INCHES NOMINAL IN
SPLINE MINOR DIAMETER1.12 INCHES NOMINAL IN
END ITEM IDENTIFICATION8405015549638
GROMMET STYLECONICAL
SPLINE WIDTH0.12 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGROMMET, SPLIT, CONE SHAPED
OVERALL WIDTH1.22 INCHES NOMINAL IN
RECESS DIAMETER1.56 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER2.06 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
3642-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
516-5952166TRInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3462-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
04115179InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3462-3 PART 2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3462-3 PART 55AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12528858?
12528858 is a GROMMET,NONMETALLIC.
What parts can replace 12528858?
There are 7 known substitutes for 12528858: 3642-3, 516-5952166TR, 3462-3 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12528858?
12528858 is cataloged in the Federal Logistics Information System under NSN 5325-01-686-3464. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026