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D4274 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D4274: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 0.229 INCHES NOMINAL IN, material: COPPER ALLOY, inside_diameter: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN, vent_hole_shape: ROUND, outside_diameter: 0.297 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN, special_features: PART NAME ASSIGNED BY MANUFACTURER IS VENTILATOR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-440-0996, 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
D4274
NSN: 5340-01-440-0996
FSC: 5340 — Hardware, Commercial
CAGE: 57771 — EDWIN B. STIMPSON COMPANY, INC. DBA STIMPSON (USA)
SPECIFICATIONS
length0.229 INCHES NOMINAL IN
materialCOPPER ALLOY
inside_diameter0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
vent_hole_shapeROUND
outside_diameter0.297 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
special_featuresPART NAME ASSIGNED BY MANUFACTURER IS VENTILATOR
end_connection_typeUNTHREADED
refinement_device_typeFILTER DISK
refinement_medium_typeFILTERING
NSN5340-01-440-0996
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D4274 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: 0.229 INCHES NOMINAL IN
•
VENT HOLE SHAPE: ROUND
•
END CONNECTION TYPE: UNTHREADED
•
OUTSIDE DIAMETER: 0.297 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
REFINEMENT MEDIUM TYPEFILTERING
LENGTH0.229 INCHES NOMINAL IN
VENT HOLE SHAPEROUND
END CONNECTION TYPEUNTHREADED
OUTSIDE DIAMETER0.297 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
INSIDE DIAMETER0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
SPECIAL FEATURESPART NAME ASSIGNED BY MANUFACTURER IS VENTILATOR
MATERIALCOPPER ALLOY
REFINEMENT DEVICE TYPEFILTER DISK
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D4274?
D4274 is a PLUG,VENT.
What is the NSN for D4274?
D4274 is cataloged in the U.S. Government catalog under NSN 5340-01-440-0996. This indicates validated use in U.S. government and defense supply chains.
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