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U5MK0619 — CAP,PROTECTIVE,NUT AND BOLT HEA

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

U5MK0619: CAP,PROTECTIVE,NUT AND BOLT HEA.

CAP,PROTECTIVE,NUT AND BOLT HEA. Key specifications include end_item_identification: 4210-01-622-0440;TRUCK,FIRE FIGHTING, accessory_components_and_quantity: END CAP,ANTI TAMPER,TIMING,PN: 4298446,QTY: 1 EACH;CAP,ANTI TAMPER,TMG,HB70582J,PN: 4298545001,QTY: 1 EACH, part_name_assigned_by_controlling_agency: CAP KIT,ANTI TAMPER,HB70582J. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-658-6039, 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
U5MK0619
NSN: 5340-01-658-6039
FSC: 5340 — Hardware, Commercial
CAGE: 13446 — PERKINS ENGINES INC (USA)
SPECIFICATIONS
end_item_identification4210-01-622-0440;TRUCK,FIRE FIGHTING
accessory_components_and_quantityEND CAP,ANTI TAMPER,TIMING,PN: 4298446,QTY: 1 EACH;CAP,ANTI TAMPER,TMG,HB70582J,PN: 4298545001,QTY: 1 EACH
part_name_assigned_by_controlling_agencyCAP KIT,ANTI TAMPER,HB70582J
NSN5340-01-658-6039
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U5MK0619 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
•
ACCESSORY COMPONENTS AND QUANTITY: END CAP,ANTI TAMPER,TIMING,PN: 4298446,QTY: 1 EACH;CAP,ANTI TAMPER,TMG,HB70582J,PN: 4298545001,QTY: 1 EACH
TECHNICAL CHARACTERISTICS
ACCESSORY COMPONENTS AND QUANTITYEND CAP,ANTI TAMPER,TIMING,PN: 4298446,QTY: 1 EACH;CAP,ANTI TAMPER,TMG,HB70582J,PN: 4298545001,QTY: 1 EACH
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP KIT,ANTI TAMPER,HB70582J
END ITEM IDENTIFICATION4210-01-622-0440;TRUCK,FIRE FIGHTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
4298545Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 U5MK0619?
U5MK0619 is a CAP,PROTECTIVE,NUT AND BOLT HEA.
What parts can replace U5MK0619?
There is 1 known substitute for U5MK0619: 4298545. Substitute compatibility should be verified for your specific system.
What is the NSN for U5MK0619?
U5MK0619 is cataloged in the U.S. Government catalog under NSN 5340-01-658-6039. 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.