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6520-20-319-1102 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6520-20-319-1102: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 1.360 INCHES NOMINAL IN, material: COPPER ALLOY, thread_class: 2A A, thread_length: 0.840 INCHES NOMINAL IN, vent_hole_shape: ROUND, outside_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-138-6750, 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
6520-20-319-1102
NSN: 5340-01-138-6750
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
length1.360 INCHES NOMINAL IN
materialCOPPER ALLOY
thread_class2A A
thread_length0.840 INCHES NOMINAL IN
vent_hole_shapeROUND
outside_diameter1.000 INCHES NOMINAL IN
special_featuresFOR LIQUID OXYGEN,FABRICATED FROM PARKER HANNIFIN COMMERCIAL PIPE PLUG,PART NO.1-SHP-B
vent_hole_diameter0.141 INCHES NOMINAL IN
vent_hole_quantity1
end_connection_typeTHREADED
thread_size_and_series/type_designator1-11-1/2 NPT
NSN5340-01-138-6750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6520-20-319-1102 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
•
VENT HOLE DIAMETER: 0.141 INCHES NOMINAL IN
•
LENGTH: 1.360 INCHES NOMINAL IN
•
VENT HOLE SHAPE: ROUND
•
THREAD LENGTH: 0.840 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
VENT HOLE DIAMETER0.141 INCHES NOMINAL IN
LENGTH1.360 INCHES NOMINAL IN
VENT HOLE SHAPEROUND
THREAD LENGTH0.840 INCHES NOMINAL IN
END CONNECTION TYPETHREADED
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
SPECIAL FEATURESFOR LIQUID OXYGEN,FABRICATED FROM PARKER HANNIFIN COMMERCIAL PIPE PLUG,PART NO.1-SHP-B
THREAD CLASS2A A
MATERIALCOPPER ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR1-11-1/2 NPT
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
65202-03191Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6520-20-319-1102?
6520-20-319-1102 is a PLUG,VENT.
What parts can replace 6520-20-319-1102?
There is 1 known substitute for 6520-20-319-1102: 65202-03191. Substitute compatibility should be verified for your specific system.
What is the NSN for 6520-20-319-1102?
6520-20-319-1102 is cataloged in the U.S. Government catalog under NSN 5340-01-138-6750. 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.