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KP77889 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

KP77889: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL, outside_diameter: 0.6562 INCHES NOMINAL IN, special_features: SPECIALLY COMPOUNDED FOR AIR CONDITIONING REFRIGERANT AND CONNECTIONS ON R-12 FREON SYSTEMS., center_hole_diameter: 0.500 INCHES NOMINAL IN, cross-sectional_height: 0.0625 INCHES NOMINAL IN, end_item_identification: 2320-01-529-2251; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-568-2731, 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
KP77889
NSN: 5331-01-568-2731
FSC: 5331 — O-ring
CAGE: 05573 — BARNES GROUP INC. DBA BARNES DISTRIBUTION (USA)
SPECIFICATIONS
materialRUBBER NATURAL
outside_diameter0.6562 INCHES NOMINAL IN
special_featuresSPECIALLY COMPOUNDED FOR AIR CONDITIONING REFRIGERANT AND CONNECTIONS ON R-12 FREON SYSTEMS.
center_hole_diameter0.500 INCHES NOMINAL IN
cross-sectional_height0.0625 INCHES NOMINAL IN
end_item_identification2320-01-529-2251; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2
part_name_assigned_by_controlling_agencyO-RING NUMBER 10 STANDARD
NSN5331-01-568-2731
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KP77889 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: 0.0625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.6562 INCHES NOMINAL IN
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER NATURAL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.0625 INCHES NOMINAL IN
OUTSIDE DIAMETER0.6562 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESSPECIALLY COMPOUNDED FOR AIR CONDITIONING REFRIGERANT AND CONNECTIONS ON R-12 FREON SYSTEMS.
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING NUMBER 10 STANDARD
END ITEM IDENTIFICATION2320-01-529-2251; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2
MATERIALRUBBER NATURAL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KP77889?
KP77889 is a O-RING.
What is the NSN for KP77889?
KP77889 is cataloged in the U.S. Government catalog under NSN 5331-01-568-2731. This indicates validated use in U.S. government and defense supply chains.
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