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21RM216 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21RM216: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, groove_width: 0.125 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.875 INCHES NOMINAL IN, overall_height: 0.750 INCHES NOMINAL IN, flange_thickness: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-262-5922, 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
21RM216
NSN: 5325-00-262-5922
FSC: 5325 — Fastening Devices
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
groove_width0.125 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.875 INCHES NOMINAL IN
overall_height0.750 INCHES NOMINAL IN
flange_thickness0.312 INCHES NOMINAL IN
special_features90.0 DEG ANGLE OF GROOVE
groove_outside_diameter1.125 INCHES NOMINAL IN
grommet_construction_typeSOLID
nonmetallic_hardness_rating60.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A
large_flange_outside_diameter1.500 INCHES NOMINAL IN
NSN5325-00-262-5922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21RM216 · 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: 0.312 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
GROOVE OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.750 INCHES NOMINAL IN
GROMMET STYLEROUND
FLANGE THICKNESS0.312 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
SPECIAL FEATURES90.0 DEG ANGLE OF GROOVE
GROOVE OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
MATERIALRUBBER SYNTHETIC OVERALL
GROOVE WIDTH0.125 INCHES NOMINAL IN
NONMETALLIC HARDNESS RATING60.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21RM216?
21RM216 is a GROMMET,NONMETALLIC.
What is the NSN for 21RM216?
21RM216 is cataloged in the U.S. Government catalog under NSN 5325-00-262-5922. 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.