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Technical Data Sheet
PartsTable / COMPONENT / 0A18440-28
0A18440-28 ✓ 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 color: BLACK OVERALL, material: RUBBER SYNTHETIC OVERALL, groove_width: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, grommet_style: ROUND, hole_diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, overall_height: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-249-6345, 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
0A18440-28
NSN: 5325-00-249-6345
FSC: 5325
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialRUBBER SYNTHETIC OVERALL
groove_width0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
grommet_styleROUND
hole_diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
overall_height0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
flange_thickness0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
features_providedCOOLANT RESISTANT AND OIL RESISTANT
groove_outside_diameter0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
grommet_construction_typeSOLID
large_flange_outside_diameter0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
material_document_and_classificationASTM D2000 BG515A14B24C32E036F19Z ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-249-6345
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0A18440-28 · 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
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
GROOVE WIDTH: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
LARGE FLANGE OUTSIDE DIAMETER: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
FLANGE THICKNESS0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
GROOVE WIDTH0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
GROMMET CONSTRUCTION TYPESOLID
LARGE FLANGE OUTSIDE DIAMETER0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
OVERALL HEIGHT0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
GROOVE OUTSIDE DIAMETER0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
GROMMET STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
275-8Interchangeable
interchangeable cross-reference
interchangeable
S-1490Interchangeable
interchangeable cross-reference
interchangeable
849546-13Interchangeable
interchangeable cross-reference
interchangeable
4912568Interchangeable
interchangeable cross-reference
interchangeable
4385Interchangeable
interchangeable cross-reference
interchangeable
4390Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0A18440-28?
0A18440-28 is a GROMMET,NONMETALLIC.
What parts can replace 0A18440-28?
There are 16 known substitutes for 0A18440-28: 275-8, S-1490, 849546-13 and 13 more. Substitute compatibility should be verified for your specific system.
Is 0A18440-28 still available?
0A18440-28 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026