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MB 580-040 — PLUG ASSEMBLY,SEALING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MB 580-040: PLUG ASSEMBLY,SEALING.

The PLUG ASSEMBLY,SEALING is a the manufacturer industrial component. Key specifications include material: STEEL, drive_type: RAISED RIB, design_type: FRICTION, surface_treatment: ZINC, end_item_identification: 016525208, part_name_assigned_by_controlling_agency: PLUG,EXPANSION. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-677-3689, 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
MB 580-040
NSN: 5340-01-677-3689
FSC: 5340 — Hardware, Commercial
CAGE: 1B1H9 — KVT KOENIG LLC (USA)
SPECIFICATIONS
materialSTEEL
drive_typeRAISED RIB
design_typeFRICTION
surface_treatmentZINC
end_item_identification016525208
part_name_assigned_by_controlling_agencyPLUG,EXPANSION
NSN5340-01-677-3689
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MB 580-040 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: FRICTION
•
DRIVE TYPE: RAISED RIB
•
SURFACE TREATMENT: ZINC
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
DRIVE TYPERAISED RIB
SURFACE TREATMENTZINC
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG,EXPANSION
END ITEM IDENTIFICATION016525208
MATERIALSTEEL
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
12601911Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MB 580-040?
MB 580-040 is a PLUG ASSEMBLY,SEALING.
What parts can replace MB 580-040?
There is 1 known substitute for MB 580-040: 12601911. Substitute compatibility should be verified for your specific system.
What is the NSN for MB 580-040?
MB 580-040 is cataloged in the U.S. Government catalog under NSN 5340-01-677-3689. 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.