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405721-01 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

405721-01: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, groove_width: 0.0625 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 2.000 INCHES NOMINAL IN, overall_height: 0.2812 INCHES NOMINAL IN, flange_thickness: 0.1094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-477-7431, 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
405721-01
NSN: 5325-01-477-7431
FSC: 5325 — Fastening Devices
CAGE: 63631 — BAE SYSTEMS CONTROLS INC. (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
groove_width0.0625 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter2.000 INCHES NOMINAL IN
overall_height0.2812 INCHES NOMINAL IN
flange_thickness0.1094 INCHES NOMINAL IN
groove_outside_diameter2.500 INCHES NOMINAL IN
grommet_construction_typeSOLID
large_flange_outside_diameter2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
material_document_and_classificationMIL-G-3036, TY B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5325-01-477-7431
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 405721-01 · 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: 0.1094 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-3036, TY B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
LARGE FLANGE OUTSIDE DIAMETER: 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
•
GROOVE OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2812 INCHES NOMINAL IN
GROMMET STYLEROUND
FLANGE THICKNESS0.1094 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3036, TY B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
LARGE FLANGE OUTSIDE DIAMETER2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
GROOVE OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
MATERIALRUBBER SILICONE CLASS Q OVERALL
GROOVE WIDTH0.0625 INCHES NOMINAL IN
HOLE DIAMETER2.000 INCHES NOMINAL IN
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 3
405578-01-01 FIND NO. 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
63Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL405578-01-01 FN 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 405721-01?
405721-01 is a GROMMET,NONMETALLIC.
What parts can replace 405721-01?
There are 3 known substitutes for 405721-01: 405578-01-01 FIND NO. 5, 63, PL405578-01-01 FN 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 405721-01?
405721-01 is cataloged in the U.S. Government catalog under NSN 5325-01-477-7431. This indicates validated use in U.S. government and defense supply chains.
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