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Technical Data Sheet
PartsTable / COMPONENT / 2638839
2638839 ✓ 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: RED OVERALL, material: RUBBER SYNTHETIC OVERALL, groove_width: 0.125 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.312 INCHES NOMINAL IN, overall_height: 0.500 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 5325-01-193-4486, 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
2638839
NSN: 5325-01-193-4486
FSC: 5325
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
colorRED OVERALL
materialRUBBER SYNTHETIC OVERALL
groove_width0.125 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.312 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
flange_thickness0.188 INCHES NOMINAL IN
groove_outside_diameter0.507 INCHES NOMINAL IN
grommet_construction_typeSOLID
large_flange_outside_diameter0.720 INCHES NOMINAL IN
NSN5325-01-193-4486
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2638839 · 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
•
COLOR: RED OVERALL
•
LARGE FLANGE OUTSIDE DIAMETER: 0.720 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.188 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.125 INCHES NOMINAL IN
•
GROOVE OUTSIDE DIAMETER: 0.507 INCHES NOMINAL IN
•
GROMMET STYLE: ROUND
•
HOLE DIAMETER: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COLORRED OVERALL
OVERALL HEIGHT0.500 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER0.720 INCHES NOMINAL IN
FLANGE THICKNESS0.188 INCHES NOMINAL IN
GROOVE WIDTH0.125 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.507 INCHES NOMINAL IN
GROMMET STYLEROUND
HOLE DIAMETER0.312 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SE555Interchangeable
interchangeable cross-reference
interchangeable
24340Interchangeable
interchangeable cross-reference
interchangeable
555Interchangeable
interchangeable cross-reference
interchangeable
RM555T883BInterchangeable
interchangeable cross-reference
interchangeable
RC555TInterchangeable
interchangeable cross-reference
interchangeable
932487-1CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2638839?
2638839 is a GROMMET,NONMETALLIC.
What parts can replace 2638839?
There are 12 known substitutes for 2638839: SE555, 24340, 555 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2638839?
2638839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-193-4486. 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