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12420801 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12420801: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 0.780 INCHES NOMINAL IN, outside_diameter: 0.530 INCHES NOMINAL IN, end_connection_type: THREADED, end_item_identification: MRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS), thread_size_and_series/type_designator: 1/8-27 NPTF, part_name_assigned_by_controlling_agency: VENT, AIR BREATHER TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-438-9440, 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
12420801
NSN: 5340-01-438-9440
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
length0.780 INCHES NOMINAL IN
outside_diameter0.530 INCHES NOMINAL IN
end_connection_typeTHREADED
end_item_identificationMRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
thread_size_and_series/type_designator1/8-27 NPTF
part_name_assigned_by_controlling_agencyVENT, AIR BREATHER TYPE
NSN5340-01-438-9440
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12420801 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
•
LENGTH: 0.780 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED
•
OUTSIDE DIAMETER: 0.530 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/8-27 NPTF
TECHNICAL CHARACTERISTICS
LENGTH0.780 INCHES NOMINAL IN
END CONNECTION TYPETHREADED
OUTSIDE DIAMETER0.530 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVENT, AIR BREATHER TYPE
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/8-27 NPTF
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12420801?
12420801 is a PLUG,VENT.
What is the NSN for 12420801?
12420801 is cataloged in the U.S. Government catalog under NSN 5340-01-438-9440. This indicates validated use in U.S. government and defense supply chains.
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