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Technical Data Sheet
1259331-16 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, cross-sectional_height: 0.116 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-014-8959, 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
1259331-16
NSN: 5331-01-014-8959
FSC: 5331 — O-RING
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
cross-sectional_height0.116 INCHES NOMINAL IN
NSN5331-01-014-8959
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1259331-16 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
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT: 0.116 INCHES NOMINAL IN
MATERIAL: RUBBER
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.116 INCHES NOMINAL IN
MATERIALRUBBER
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
329717Interchangeable
interchangeable cross-reference
interchangeable
329716AND329717Interchangeable
interchangeable cross-reference
interchangeable
S2605-852062ANDS2605-852063Interchangeable
interchangeable cross-reference
interchangeable
10172786Interchangeable
interchangeable cross-reference
interchangeable
3-16Interchangeable
interchangeable cross-reference
interchangeable
17343FXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1259331-16?
1259331-16 is a O-RING.
What parts can replace 1259331-16?
There are 18 known substitutes for 1259331-16: 329717, 329716AND329717, S2605-852062ANDS2605-852063 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1259331-16 still available?
1259331-16 is currently cancelled.
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