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4345397 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4345397: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.487 INCHES NOMINAL IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, end_item_identification: 2320016525218, material_document_and_classification: IAW MIL-R-25988/3 PIN -25988/3-128 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-674-4354, 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
4345397
NSN: 5331-01-674-4354
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating60.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.487 INCHES NOMINAL IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identification2320016525218
material_document_and_classificationIAW MIL-R-25988/3 PIN -25988/3-128 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyORING 1.487X .103, FVMQ, 60
NSN5331-01-674-4354
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4345397 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: IAW MIL-R-25988/3 PIN -25988/3-128 MIL SPEC SINGLE MATERIAL RESPONSE
•
COLOR: BLUE
•
CENTER HOLE DIAMETER: 1.487 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONIAW MIL-R-25988/3 PIN -25988/3-128 MIL SPEC SINGLE MATERIAL RESPONSE
COLORBLUE
CENTER HOLE DIAMETER1.487 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYORING 1.487X .103, FVMQ, 60
END ITEM IDENTIFICATION2320016525218
MATERIALRUBBER FLUOROSILICONE CLASS FQ
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 4345397?
4345397 is a O-RING.
What is the NSN for 4345397?
4345397 is cataloged in the U.S. Government catalog under NSN 5331-01-674-4354. This indicates validated use in U.S. government and defense supply chains.
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