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55312-8 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

55312-8: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include height: 8.0 INCHES IN, material: LEATHER UPPER, style_type: HIGH, fiber_material: NYLON UPPER, fastening_method: LACING, tread_surface_type: ANY ACCEPTABLE. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-550-4456, 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
55312-8
NSN: 5325-00-550-4456
NIINs: 005504456, 016503719
FSC: 5325 — Fastening Devices
CAGE: 96400 — OUTBOARD MARINE CORP - GALESBURG (USA)
SPECIFICATIONS
height8.0 INCHES IN
materialLEATHER UPPER
style_typeHIGH
fiber_materialNYLON UPPER
fastening_methodLACING
tread_surface_typeANY ACCEPTABLE
NSN5325-00-550-4456
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 55312-8 · 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: 0.141 INCHES NOMINAL IN
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MATERIAL DOCUMENT AND CLASSIFICATION: SAE SC605 ASSN STD SINGLE MATERIAL RESPONSE WASHER
•
LARGE FLANGE OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
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GROOVE OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
MATERIAL: RUBBER SYNTHETIC WASHER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.344 INCHES NOMINAL IN
GROMMET STYLEROUND
FLANGE THICKNESS0.141 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE SC605 ASSN STD SINGLE MATERIAL RESPONSE WASHER
LARGE FLANGE OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
MATERIALRUBBER SYNTHETIC WASHER
GROOVE WIDTH0.062 INCHES NOMINAL IN
NONMETALLIC HARDNESS RATING55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55312-8?
55312-8 is a GROMMET,NONMETALLIC.
What is the NSN for 55312-8?
55312-8 is cataloged in the U.S. Government catalog under NSN 5325-00-550-4456. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.