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Technical Data Sheet
PartsTable / COMPONENT / 2R53P20
2R53P20 ✓ 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 NATURAL OVERALL, groove_width: 0.125 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.250 INCHES NOMINAL IN, overall_height: 0.313 INCHES NOMINAL IN, flange_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-286-2577, 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
2R53P20
NSN: 5325-00-286-2577
FSC: 5325
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialRUBBER NATURAL OVERALL
groove_width0.125 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.250 INCHES NOMINAL IN
overall_height0.313 INCHES NOMINAL IN
flange_thickness0.094 INCHES NOMINAL IN
features_providedCOOLANT RESISTANT AND OIL RESISTANT
groove_outside_diameter0.375 INCHES NOMINAL IN
grommet_construction_typeSOLID
large_flange_outside_diameter0.563 INCHES NOMINAL IN
NSN5325-00-286-2577
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2R53P20 · 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
•
FLANGE THICKNESS: 0.094 INCHES NOMINAL IN
•
GROMMET STYLE: ROUND
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 0.563 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.125 INCHES NOMINAL IN
•
GROOVE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE THICKNESS0.094 INCHES NOMINAL IN
GROMMET STYLEROUND
OVERALL HEIGHT0.313 INCHES NOMINAL IN
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
HOLE DIAMETER0.250 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER0.563 INCHES NOMINAL IN
GROOVE WIDTH0.125 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
MATERIALRUBBER NATURAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
1668439-28Interchangeable
interchangeable cross-reference
interchangeable
Z4015Interchangeable
interchangeable cross-reference
interchangeable
1635AS711-1Interchangeable
interchangeable cross-reference
interchangeable
00052 ST 1Interchangeable
interchangeable cross-reference
interchangeable
Z200Interchangeable
interchangeable cross-reference
interchangeable
32-58414-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2R53P20?
2R53P20 is a GROMMET,NONMETALLIC.
What parts can replace 2R53P20?
There are 25 known substitutes for 2R53P20: 1668439-28, Z4015, 1635AS711-1 and 22 more. Substitute compatibility should be verified for your specific system.
Is 2R53P20 still available?
2R53P20 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