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PartsTable / COMPONENT / 1JA2496H57
1JA2496H57 ✓ 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: 0.031 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.312 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, flange_thickness: 0.109 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 5325-00-276-5988, 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
1JA2496H57
NSN: 5325-00-276-5988
FSC: 5325
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
groove_width0.031 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.312 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
flange_thickness0.109 INCHES NOMINAL IN
groove_outside_diameter0.438 INCHES NOMINAL IN
grommet_construction_typeSOLID
large_flange_outside_diameter0.562 INCHES NOMINAL IN
NSN5325-00-276-5988
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1JA2496H57 · 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 STYLE: ROUND
•
FLANGE THICKNESS: 0.109 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
LARGE FLANGE OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.031 INCHES NOMINAL IN
•
GROOVE OUTSIDE DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GROMMET STYLEROUND
FLANGE THICKNESS0.109 INCHES NOMINAL IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
LARGE FLANGE OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
HOLE DIAMETER0.312 INCHES NOMINAL IN
GROOVE WIDTH0.031 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.438 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4812Interchangeable
interchangeable cross-reference
interchangeable
51863Interchangeable
interchangeable cross-reference
interchangeable
R26343Interchangeable
interchangeable cross-reference
interchangeable
R1885SNInterchangeable
interchangeable cross-reference
interchangeable
5577503Interchangeable
interchangeable cross-reference
interchangeable
04812Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1JA2496H57?
1JA2496H57 is a GROMMET,NONMETALLIC.
What parts can replace 1JA2496H57?
There are 14 known substitutes for 1JA2496H57: 4812, 51863, R26343 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1JA2496H57?
1JA2496H57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-276-5988. 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