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4KK514 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4KK514: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: NHA IS NIPPLE, PIPE, P/N 499-1662;SECTION MEASUREMENT IS 2.62 MM NOMINAL;FOR BSPP THREAD SIZE 1/2 MM, center_hole_diameter: 17.9 MILLIMETERS NOMINAL MM, end_item_identification: HIMARS, RSV, MK37, 2320-01-504-5218, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-526-5325, 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
4KK514
NSN: 5331-01-526-5325
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_featuresNHA IS NIPPLE, PIPE, P/N 499-1662;SECTION MEASUREMENT IS 2.62 MM NOMINAL;FOR BSPP THREAD SIZE 1/2 MM
center_hole_diameter17.9 MILLIMETERS NOMINAL MM
end_item_identificationHIMARS, RSV, MK37, 2320-01-504-5218
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-526-5325
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4KK514 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
•
CENTER HOLE DIAMETER: 17.9 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNHA IS NIPPLE, PIPE, P/N 499-1662;SECTION MEASUREMENT IS 2.62 MM NOMINAL;FOR BSPP THREAD SIZE 1/2 MM
CENTER HOLE DIAMETER17.9 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONHIMARS, RSV, MK37, 2320-01-504-5218
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 1
5-256-N552-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4KK514?
4KK514 is a O-RING.
What parts can replace 4KK514?
There is 1 known substitute for 4KK514: 5-256-N552-9. Substitute compatibility should be verified for your specific system.
What is the NSN for 4KK514?
4KK514 is cataloged in the U.S. Government catalog under NSN 5331-01-526-5325. This indicates validated use in U.S. government and defense supply chains.
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