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20535A440 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20535A440: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 0.438 INCHES NOMINAL IN, material: ALUMINUM ALLOY OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075, thread_class: 3A A, thread_length: 0.613 INCHES NOMINAL IN, inside_diameter: 0.171 INCHES NOMINAL IN, vent_hole_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-047-9747, 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
20535A440
NSN: 5340-01-047-9747
FSC: 5340 — Hardware, Commercial
CAGE: 18350 — PALL AEROPOWER CORPORATION (USA)
SPECIFICATIONS
length0.438 INCHES NOMINAL IN
materialALUMINUM ALLOY OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075
thread_class3A A
thread_length0.613 INCHES NOMINAL IN
inside_diameter0.171 INCHES NOMINAL IN
vent_hole_shapeROUND
outside_diameter0.684 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
special_featuresFLATS WIDTH 0.364
surface_treatmentANODIZE
vent_hole_quantity1
end_connection_typeTHREADED
refinement_device_typeWIRE FABRIC
NSN5340-01-047-9747
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20535A440 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
•
REFINEMENT MEDIUM TYPE: FILTERING
•
LENGTH: 0.438 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
•
VENT HOLE SHAPE: ROUND
•
THREAD LENGTH: 0.613 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/4, ALLOY 2014 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6, ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9, ALLOY 7075 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.684 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
REFINEMENT MEDIUM TYPEFILTERING
LENGTH0.438 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
VENT HOLE SHAPEROUND
THREAD LENGTH0.613 INCHES NOMINAL IN
END CONNECTION TYPETHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4, ALLOY 2014 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6, ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9, ALLOY 7075 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.684 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
INSIDE DIAMETER0.171 INCHES NOMINAL IN
SPECIAL FEATURESFLATS WIDTH 0.364
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
20535-A-4-40WReference document
Same NSN cross-reference
Reference document — Secondary reference
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 20535A440?
20535A440 is a PLUG,VENT.
What parts can replace 20535A440?
There is 1 known substitute for 20535A440: 20535-A-4-40W. Substitute compatibility should be verified for your specific system.
What is the NSN for 20535A440?
20535A440 is cataloged in the U.S. Government catalog under NSN 5340-01-047-9747. This indicates validated use in U.S. government and defense supply chains.
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