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Technical Data Sheet
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25C85-15 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

25C85-15: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include special_features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-105-8679, 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
25C85-15
NSN: 5331-00-105-8679
NIINs: 001058679, 006267731
FSC: 5331 — O-ring
CAGE: Z6P06 — SIKORSKY HELITECH SIKORSKY AIRCRAFT AUSTRALIA LTD DIV SIKORSKY AUSTRALIA (AUS)
SPECIFICATIONS
special_featuresCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
NSN5331-00-105-8679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25C85-15 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: 0.485 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.485 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 1
P25C85Same 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 25C85-15?
25C85-15 is a PACKING,PREFORMED.
What parts can replace 25C85-15?
There is 1 known substitute for 25C85-15: P25C85. Substitute compatibility should be verified for your specific system.
What is the NSN for 25C85-15?
25C85-15 is cataloged in the U.S. Government catalog under NSN 5331-00-105-8679. This indicates validated use in U.S. government and defense supply chains.
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