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Technical Data Sheet
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1661ADX — Technical Data Sheet

✓ 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 OVERALL, groove_width: 0.062 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.500 INCHES NOMINAL IN, overall_height: 0.281 INCHES NOMINAL IN, flange_thickness: 0.1095 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5325-00-301-8656, 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
1661ADX
NSN: 5325-00-301-8656
FSC: 5325
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
materialRUBBER OVERALL
groove_width0.062 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.500 INCHES NOMINAL IN
overall_height0.281 INCHES NOMINAL IN
flange_thickness0.1095 INCHES NOMINAL IN
groove_outside_diameter0.625 INCHES NOMINAL IN
grommet_construction_typeSOLID
large_flange_outside_diameter0.812 INCHES NOMINAL IN
NSN5325-00-301-8656
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1661ADX · 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
•
GROOVE WIDTH: 0.062 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.1095 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
GROOVE OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
GROMMET STYLE: ROUND
TECHNICAL CHARACTERISTICS
GROOVE WIDTH0.062 INCHES NOMINAL IN
OVERALL HEIGHT0.281 INCHES NOMINAL IN
HOLE DIAMETER0.500 INCHES NOMINAL IN
FLANGE THICKNESS0.1095 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER0.812 INCHES NOMINAL IN
GROOVE OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
GROMMET STYLEROUND
MATERIALRUBBER OVERALL
COLORBLACK OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN3124-1661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KE-10220-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KPN1661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B74.13InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
23-661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1661ADX?
1661ADX is a GROMMET,NONMETALLIC.
What parts can replace 1661ADX?
There are 14 known substitutes for 1661ADX: 1661, AN3124-1661, KE-10220-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1661ADX?
1661ADX is cataloged in the Federal Logistics Information System under NSN 5325-00-301-8656. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026