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531560 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

531560: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, overall_width: 0.645 INCHES NOMINAL IN, first_hole_diameter: 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, second_hole_diameter: 0.189 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, material_document_and_classification: AMS 3357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-549-8926, 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
531560
NSN: 5325-00-549-8926
FSC: 5325 — Fastening Devices
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
overall_width0.645 INCHES NOMINAL IN
first_hole_diameter0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
second_hole_diameter0.189 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
material_document_and_classificationAMS 3357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-549-8926
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 531560 · 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
•
FIRST HOLE DIAMETER: 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SECOND HOLE DIAMETER: 0.189 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
FIRST HOLE DIAMETER0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.645 INCHES NOMINAL IN
SECOND HOLE DIAMETER0.189 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q OVERALL
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 531560?
531560 is a GROMMET,NONMETALLIC.
What is the NSN for 531560?
531560 is cataloged in the U.S. Government catalog under NSN 5325-00-549-8926. 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.