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Technical Data Sheet
PartsTable / COMPONENT / 54-51-1864
54-51-1864 ✓ 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: 1.000 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 1.906 INCHES NOMINAL IN, overall_height: 1.250 INCHES NOMINAL IN, flange_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-014-4414, 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
54-51-1864
NSN: 5325-01-014-4414
FSC: 5325
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
groove_width1.000 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter1.906 INCHES NOMINAL IN
overall_height1.250 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
features_providedCOOLANT RESISTANT AND OIL RESISTANT
groove_outside_diameter2.406 INCHES NOMINAL IN
grommet_construction_typeSPLIT
nonmetallic_hardness_rating55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
large_flange_outside_diameter2.656 INCHES NOMINAL IN
NSN5325-01-014-4414
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 54-51-1864 · 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
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
•
GROMMET CONSTRUCTION TYPE: SPLIT
•
GROOVE WIDTH: 1.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
GROOVE OUTSIDE DIAMETER: 2.406 INCHES NOMINAL IN
•
NONMETALLIC HARDNESS RATING: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
•
LARGE FLANGE OUTSIDE DIAMETER: 2.656 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
GROMMET CONSTRUCTION TYPESPLIT
GROOVE WIDTH1.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
OVERALL HEIGHT1.250 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER2.406 INCHES NOMINAL IN
NONMETALLIC HARDNESS RATING55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
LARGE FLANGE OUTSIDE DIAMETER2.656 INCHES NOMINAL IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
GROMMET STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
SS1Interchangeable
interchangeable cross-reference
interchangeable
1416Interchangeable
interchangeable cross-reference
interchangeable
FR8.8Interchangeable
interchangeable cross-reference
interchangeable
SCC60458Interchangeable
interchangeable cross-reference
interchangeable
1050-179Interchangeable
interchangeable cross-reference
interchangeable
SMC68255Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54-51-1864?
54-51-1864 is a GROMMET,NONMETALLIC.
What parts can replace 54-51-1864?
There are 18 known substitutes for 54-51-1864: SS1, 1416, FR8.8 and 15 more. Substitute compatibility should be verified for your specific system.
Is 54-51-1864 still available?
54-51-1864 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026