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304456 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BRAKE BAND AND LINING is a the manufacturer industrial component. Key specifications include actuation_method: LEVER EXTERNAL, application_type: DRY, end_attachment_type: BOLT, drum_width_for_which_designed: 1.250 INCHES NOMINAL IN, drum_diameter_for_which_designed: 4.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-286-6873, 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
304456
NSN: 5330-00-286-6873
FSC: 5330
CAGE: 76292 — MICHIGAN LEATHER PRODUCTS CO (USA)
SPECIFICATIONS
actuation_methodLEVER EXTERNAL
application_typeDRY
segment_quantity1
end_attachment_typeBOLT
drum_width_for_which_designed1.250 INCHES NOMINAL IN
drum_diameter_for_which_designed4.500 INCHES NOMINAL IN
NSN5330-00-286-6873
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 304456 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5257Interchangeable
interchangeable cross-reference
interchangeable
5751Interchangeable
interchangeable cross-reference
interchangeable
HA4835Interchangeable
interchangeable cross-reference
interchangeable
84237Interchangeable
interchangeable cross-reference
interchangeable
49830Interchangeable
interchangeable cross-reference
interchangeable
BUWEPSDWG49830Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 304456?
304456 is a BRAKE BAND AND LINING.
What parts can replace 304456?
There are 14 known substitutes for 304456: 5257, 5751, HA4835 and 11 more. Substitute compatibility should be verified for your specific system.
Is 304456 still available?
304456 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026