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4379RD537290 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4379RD537290: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: USED IN REFRIGERANT PIPING PER T.M. 9-2320-327-24P, end_item_identification: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP BUFFALO MK2A2.

This part is cataloged in the U.S. Government catalog under NSN 5331-01-566-4286, 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
4379RD537290
NSN: 5331-01-566-4286
FSC: 5331 — O-ring
CAGE: 0FP07 — HUGHES MOTORS, INC. (USA)
SPECIFICATIONS
special_featuresUSED IN REFRIGERANT PIPING PER T.M. 9-2320-327-24P
end_item_identificationMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP BUFFALO MK2A2
NSN5331-01-566-4286
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4379RD537290 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESUSED IN REFRIGERANT PIPING PER T.M. 9-2320-327-24P
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP BUFFALO MK2A2
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
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 4379RD537290?
4379RD537290 is a O-RING.
What is the NSN for 4379RD537290?
4379RD537290 is cataloged in the U.S. Government catalog under NSN 5331-01-566-4286. This indicates validated use in U.S. government and defense supply chains.
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