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Technical Data Sheet
PartsTable / COMPONENT / B2R53-2
B2R53-2 ✓ 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: 0.062 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.172 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, flange_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-820-6565, 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
B2R53-2
NSN: 5325-00-820-6565
FSC: 5325
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
groove_width0.062 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.172 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
flange_thickness0.094 INCHES NOMINAL IN
groove_outside_diameter0.312 INCHES NOMINAL IN
grommet_construction_typeSOLID
nonmetallic_hardness_rating40.0 MINIMUM SHORE DUROMETER A AND 50.0 MAXIMUM SHORE DUROMETER A
large_flange_outside_diameter0.375 INCHES NOMINAL IN
NSN5325-00-820-6565
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B2R53-2 · 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: 0.172 INCHES NOMINAL IN
•
GROMMET STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
GROMMET CONSTRUCTION TYPE: SOLID
•
NONMETALLIC HARDNESS RATING: 40.0 MINIMUM SHORE DUROMETER A AND 50.0 MAXIMUM SHORE DUROMETER A
•
GROOVE OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.172 INCHES NOMINAL IN
GROMMET STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
GROMMET CONSTRUCTION TYPESOLID
NONMETALLIC HARDNESS RATING40.0 MINIMUM SHORE DUROMETER A AND 50.0 MAXIMUM SHORE DUROMETER A
OVERALL HEIGHT0.250 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
FLANGE THICKNESS0.094 INCHES NOMINAL IN
GROOVE WIDTH0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AN280-808Interchangeable
interchangeable cross-reference
interchangeable
H32Interchangeable
interchangeable cross-reference
interchangeable
50-6A16Interchangeable
interchangeable cross-reference
interchangeable
WWP471Interchangeable
interchangeable cross-reference
interchangeable
WW-P-471BDQBUGEInterchangeable
interchangeable cross-reference
interchangeable
B16.14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2R53-2?
B2R53-2 is a GROMMET,NONMETALLIC.
What parts can replace B2R53-2?
There are 22 known substitutes for B2R53-2: AN280-808, H32, 50-6A16 and 19 more. Substitute compatibility should be verified for your specific system.
Is B2R53-2 still available?
B2R53-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026