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PO004243844 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PO004243844: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, center_hole_diameter: 4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-424-3844, 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
PO004243844
NSN: 5331-00-424-3844
FSC: 5331 — O-ring
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
center_hole_diameter4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-424-3844
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PO004243844 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
SUBSTITUTES & CROSS-REFERENCES 7
20269FN22Reference document
Same NSN cross-reference
Reference document — Secondary reference
PO0120NRPReference document
Same NSN cross-reference
Reference document — Secondary reference
LO1220Reference document
Same NSN cross-reference
Reference document — Secondary reference
8731 PC 41Reference document
Same NSN cross-reference
Reference document — Secondary reference
20269FN23Reference document
Same NSN cross-reference
Reference document — Secondary reference
A06689.244.142Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 PO004243844?
PO004243844 is a O-RING.
What parts can replace PO004243844?
There are 7 known substitutes for PO004243844: 20269FN22, PO0120NRP, LO1220 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PO004243844?
PO004243844 is cataloged in the U.S. Government catalog under NSN 5331-00-424-3844. This indicates validated use in U.S. government and defense supply chains.
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