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A-7428 — STOP,MECHANICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A-7428: STOP,MECHANICAL.

The STOP,MECHANICAL is a the manufacturer industrial component. Key specifications include design_type: FLAT AND IRREGULAR, end_item_identification: 1510-66-163-8909; PC-21 PILATUS TRAINER AIRCRAFT, part_name_assigned_by_controlling_agency: PLATE, STOP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-724-4034, 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
A-7428
NSN: 5340-01-724-4034
FSC: 5340 — Hardware, Commercial
CAGE: 24692 — HARTZELL PROPELLER LLC (USA)
SPECIFICATIONS
design_typeFLAT AND IRREGULAR
end_item_identification1510-66-163-8909; PC-21 PILATUS TRAINER AIRCRAFT
part_name_assigned_by_controlling_agencyPLATE, STOP
NSN5340-01-724-4034
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-7428 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
•
DESIGN TYPE: FLAT AND IRREGULAR
TECHNICAL CHARACTERISTICS
DESIGN TYPEFLAT AND IRREGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE, STOP
END ITEM IDENTIFICATION1510-66-163-8909; PC-21 PILATUS TRAINER AIRCRAFT
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
9682916243Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-7428?
A-7428 is a STOP,MECHANICAL.
What parts can replace A-7428?
There is 1 known substitute for A-7428: 9682916243. Substitute compatibility should be verified for your specific system.
What is the NSN for A-7428?
A-7428 is cataloged in the U.S. Government catalog under NSN 5340-01-724-4034. This indicates validated use in U.S. government and defense supply chains.
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