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121687 — GROMMET,NONMETALLIC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

121687: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include end_item_identification: WHEEL BRAKE ASSEMBLY, part_name_assigned_by_controlling_agency: GROMMET, ABS PORT, DUST SHIELD, D PROFILE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-8953, 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
121687
NSN: 5330-00-291-8953
NIINs: 002918953, 016458461
FSC: 5330 — Packing and Gasket Materials
CAGE: 59130 — TAPPAN CO THE (USA)
SPECIFICATIONS
end_item_identificationWHEEL BRAKE ASSEMBLY
part_name_assigned_by_controlling_agencyGROMMET, ABS PORT, DUST SHIELD, D PROFILE
NSN5330-00-291-8953
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121687 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL WIDTH: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 0.907 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER0.907 INCHES MINIMUM AND 0.911 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
K1552Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121687?
121687 is a GROMMET,NONMETALLIC.
What parts can replace 121687?
There is 1 known substitute for 121687: K1552. Substitute compatibility should be verified for your specific system.
What is the NSN for 121687?
121687 is cataloged in the U.S. Government catalog under NSN 5330-00-291-8953. This indicates validated use in U.S. government and defense supply chains.
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