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R525521 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

R525521: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, groove_width: 3.50 MILLIMETERS NOMINAL MM, hole_diameter: 24.00 MILLIMETERS NOMINAL MM, end_item_identification: 1945-01-398-3856, groove_outside_diameter: 29.00 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: PLAIN ROUND GROMMET. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-729-4284, 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
R525521
NSN: 5325-01-729-4284
FSC: 5325 — Fastening Devices
CAGE: 66836 — DEERE & COMPANY DIV DEERE POWER SYSTEMS GROUP (USA)
SPECIFICATIONS
materialRUBBER OVERALL
groove_width3.50 MILLIMETERS NOMINAL MM
hole_diameter24.00 MILLIMETERS NOMINAL MM
end_item_identification1945-01-398-3856
groove_outside_diameter29.00 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyPLAIN ROUND GROMMET
NSN5325-01-729-4284
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R525521 · 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
•
GROOVE OUTSIDE DIAMETER: 29.00 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER OVERALL
•
GROOVE WIDTH: 3.50 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 24.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
GROOVE OUTSIDE DIAMETER29.00 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPLAIN ROUND GROMMET
END ITEM IDENTIFICATION1945-01-398-3856
MATERIALRUBBER OVERALL
GROOVE WIDTH3.50 MILLIMETERS NOMINAL MM
HOLE DIAMETER24.00 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 R525521?
R525521 is a GROMMET,NONMETALLIC.
What is the NSN for R525521?
R525521 is cataloged in the U.S. Government catalog under NSN 5325-01-729-4284. 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.