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4UN93 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4UN93: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 3.375 INCHES NOMINAL IN, material: COPPER ALLOY, vent_hole_shape: ROUND, outside_diameter: 2.000 INCHES NOMINAL IN, special_features: M PRESSURE,150 PSI MAX,WORKING 230 DEG F DEGF, vent_hole_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-495-1787, 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
4UN93
NSN: 5340-01-495-1787
FSC: 5340 — Hardware, Commercial
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
length3.375 INCHES NOMINAL IN
materialCOPPER ALLOY
vent_hole_shapeROUND
outside_diameter2.000 INCHES NOMINAL IN
special_featuresM PRESSURE,150 PSI MAX,WORKING 230 DEG F DEGF
vent_hole_diameter0.250 INCHES NOMINAL IN
vent_hole_quantity1
end_item_identificationFUEL TANK TES
NSN5340-01-495-1787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4UN93 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: 0.250 INCHES NOMINAL IN
•
LENGTH: 3.375 INCHES NOMINAL IN
•
VENT HOLE SHAPE: ROUND
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
VENT HOLE QUANTITY: 1
TECHNICAL CHARACTERISTICS
VENT HOLE DIAMETER0.250 INCHES NOMINAL IN
LENGTH3.375 INCHES NOMINAL IN
VENT HOLE SHAPEROUND
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
SPECIAL FEATURESM PRESSURE,150 PSI MAX,WORKING 230 DEG F DEGF
END ITEM IDENTIFICATIONFUEL TANK TES
MATERIALCOPPER ALLOY
VENT HOLE QUANTITY1
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

No substitute or cross-reference records for this part.

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 4UN93?
4UN93 is a PLUG,VENT.
What is the NSN for 4UN93?
4UN93 is cataloged in the U.S. Government catalog under NSN 5340-01-495-1787. This indicates validated use in U.S. government and defense supply chains.
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