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HX-686M — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HX-686M: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: FLUOROCARBON RUBBER, center_hole_diameter: 16.390 INCHES MINIMUM AND 16.550 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, material_document_and_classification: AMS 7276G NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE G, part_name_assigned_by_controlling_agency: O-RING GASKET,MAIN FLANGE 260 SQ FT SEAWATER FRESH WATER HEAT EXCHANGER. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-718-3865, 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
HX-686M
NSN: 5331-01-718-3865
FSC: 5331 — O-ring
CAGE: 65427 — DC FABRICATORS INC (USA)
SPECIFICATIONS
materialFLUOROCARBON RUBBER
center_hole_diameter16.390 INCHES MINIMUM AND 16.550 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
material_document_and_classificationAMS 7276G NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE G
part_name_assigned_by_controlling_agencyO-RING GASKET,MAIN FLANGE 260 SQ FT SEAWATER FRESH WATER HEAT EXCHANGER
NSN5331-01-718-3865
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HX-686M 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: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7276G NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE G
•
CENTER HOLE DIAMETER: 16.390 INCHES MINIMUM AND 16.550 INCHES MAXIMUM IN
•
MATERIAL: FLUOROCARBON RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7276G NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE G
CENTER HOLE DIAMETER16.390 INCHES MINIMUM AND 16.550 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING GASKET,MAIN FLANGE 260 SQ FT SEAWATER FRESH WATER HEAT EXCHANGER
MATERIALFLUOROCARBON RUBBER
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 HX-686M?
HX-686M is a O-RING.
What is the NSN for HX-686M?
HX-686M is cataloged in the U.S. Government catalog under NSN 5331-01-718-3865. This indicates validated use in U.S. government and defense supply chains.
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