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Technical Data Sheet
PartsTable / MRO / 280457
280457 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The PULLEY,ENGINE STARTER ROPE is a the manufacturer industrial component. Key specifications include special_features: DIAMETER:6X8 (MM), end_item_identification: LIGHTING PROTECTORS, SERIES 3403 AND 3410, nonsupply_items_and_quantities: 06853 202595 DIAPHRAGM 1; 06853 202735 GASKET 1; 06853 211367 1, part_name_assigned_by_controlling_agency: NON-IONIZED GAS CAPSULE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-039-6572, 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
MRO→ MRO_GENERAL→ 280457
NSN: 4820-00-039-6572
FSC: 4820
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
special_featuresDIAMETER:6X8 (MM)
component_quantity3
end_item_identificationLIGHTING PROTECTORS, SERIES 3403 AND 3410
nonsupply_items_and_quantities06853 202595 DIAPHRAGM 1; 06853 202735 GASKET 1; 06853 211367 1
part_name_assigned_by_controlling_agencyNON-IONIZED GAS CAPSULE
NSN4820-00-039-6572
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 280457 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NONSUPPLY ITEMS AND QUANTITIES: 06853 202595 DIAPHRAGM 1; 06853 202735 GASKET 1; 06853 211367 1
•
COMPONENT QUANTITY: 3
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIES06853 202595 DIAPHRAGM 1; 06853 202735 GASKET 1; 06853 211367 1
COMPONENT QUANTITY3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
APGN-666-9056-1Interchangeable
interchangeable cross-reference
interchangeable
408670Interchangeable
interchangeable cross-reference
interchangeable
691903Interchangeable
interchangeable cross-reference
interchangeable
280457Interchangeable
interchangeable cross-reference
interchangeable
21365Interchangeable
interchangeable cross-reference
interchangeable
221365Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 280457?
280457 is a PULLEY,ENGINE STARTER ROPE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 280457?
There are 14 known substitutes for 280457: APGN-666-9056-1, 408670, 691903 and 11 more. Substitute compatibility should be verified for your specific system.
Is 280457 still available?
280457 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