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D50-0039 ITEM 12 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D50-0039 ITEM 12: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM, end_item_identification: VALVE, ANGLE, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-609-5851, 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
D50-0039 ITEM 12
NSN: 5331-01-609-5851
FSC: 5331 — O-ring
CAGE: 5P967 — DANTE VALVE COMPANY (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
end_item_identificationVALVE, ANGLE
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-609-5851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D50-0039 ITEM 12 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
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONVALVE, ANGLE
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
SUBSTITUTES & CROSS-REFERENCES 1
AS568-042Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 D50-0039 ITEM 12?
D50-0039 ITEM 12 is a O-RING.
What parts can replace D50-0039 ITEM 12?
There is 1 known substitute for D50-0039 ITEM 12: AS568-042. Substitute compatibility should be verified for your specific system.
What is the NSN for D50-0039 ITEM 12?
D50-0039 ITEM 12 is cataloged in the U.S. Government catalog under NSN 5331-01-609-5851. This indicates validated use in U.S. government and defense supply chains.
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