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Technical Data Sheet
PartsTable / COMPONENT / 7-8679-BRK1
7-8679-BRK1 ✓ 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 LOCK,TREAD CASTER WHEEL is a the manufacturer industrial component. Key specifications include end_item_identification: AN/ALQ-141, AN/AQS-141 CRADLE, part_name_assigned_by_controlling_agency: BRAKE, TREAD LOCK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-562-1643, 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
7-8679-BRK1
NSN: 5340-01-562-1643
FSC: 5340
CAGE: 3CKE5 — CASTER STORE INC THE (USA)
SPECIFICATIONS
end_item_identificationAN/ALQ-141, AN/AQS-141 CRADLE
part_name_assigned_by_controlling_agencyBRAKE, TREAD LOCK
NSN5340-01-562-1643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-8679-BRK1 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAN/ALQ-141, AN/AQS-141 CRADLE
PART NAME ASSIGNED BY CONTROLLING AGENCYBRAKE, TREAD LOCK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3485Interchangeable
interchangeable cross-reference
interchangeable
219-1469Interchangeable
interchangeable cross-reference
interchangeable
2982Interchangeable
interchangeable cross-reference
interchangeable
37119Interchangeable
interchangeable cross-reference
interchangeable
598232Interchangeable
interchangeable cross-reference
interchangeable
37119-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-8679-BRK1?
7-8679-BRK1 is a LOCK,TREAD CASTER WHEEL.
What parts can replace 7-8679-BRK1?
There are 6 known substitutes for 7-8679-BRK1: 3485, 219-1469, 2982 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-8679-BRK1?
7-8679-BRK1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-562-1643. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026