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Technical Data Sheet
PartsTable / COMPONENT / 2R53P21
2R53P21 ✓ 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 SYNTHETIC OVERALL, groove_width: 0.094 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.312 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, flange_thickness: 0.094 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-275-7503, 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
2R53P21
NSN: 5325-00-275-7503
FSC: 5325
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
groove_width0.094 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.312 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
flange_thickness0.094 INCHES NOMINAL IN
groove_outside_diameter0.375 INCHES NOMINAL IN
grommet_construction_typeSOLID
nonmetallic_hardness_rating55.0 MINIMUM SHORE DUROMETER A AND 60.0 MAXIMUM SHORE DUROMETER A
large_flange_outside_diameter0.562 INCHES NOMINAL IN
material_document_and_classificationA12A6C11 24446 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5325-00-275-7503
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2R53P21 · 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
•
GROMMET CONSTRUCTION TYPE: SOLID
•
HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: A12A6C11 24446 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
FLANGE THICKNESS: 0.094 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.094 INCHES NOMINAL IN
•
NONMETALLIC HARDNESS RATING: 55.0 MINIMUM SHORE DUROMETER A AND 60.0 MAXIMUM SHORE DUROMETER A
•
LARGE FLANGE OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
GROMMET CONSTRUCTION TYPESOLID
HOLE DIAMETER0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONA12A6C11 24446 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
FLANGE THICKNESS0.094 INCHES NOMINAL IN
GROOVE WIDTH0.094 INCHES NOMINAL IN
NONMETALLIC HARDNESS RATING55.0 MINIMUM SHORE DUROMETER A AND 60.0 MAXIMUM SHORE DUROMETER A
LARGE FLANGE OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
OVERALL HEIGHT0.312 INCHES NOMINAL IN
GROMMET STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
1050Interchangeable
interchangeable cross-reference
interchangeable
TELFAInterchangeable
interchangeable cross-reference
interchangeable
A-A-53262Interchangeable
interchangeable cross-reference
interchangeable
72386-106Interchangeable
interchangeable cross-reference
interchangeable
0340-0020Interchangeable
interchangeable cross-reference
interchangeable
7248606Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2R53P21?
2R53P21 is a GROMMET,NONMETALLIC.
What parts can replace 2R53P21?
There are 27 known substitutes for 2R53P21: 1050, TELFA, A-A-53262 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2R53P21?
2R53P21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-275-7503. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026