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2-05909 — RING,PISTON

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-05909: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL SPRING, seal_width: 0.328 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 270.0 FAHRENHEIT DEGF, construction: SOLID, housing_bore_diameter: 2.600 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.436 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-965-9925, 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
2-05909
NSN: 5330-00-965-9925
NIINs: 009659925, 013341649
FSC: 5330 — Packing and Gasket Materials
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL SPRING
seal_width0.328 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 270.0 FAHRENHEIT DEGF
constructionSOLID
housing_bore_diameter2.600 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
accommodated_shaft_diameter1.436 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-965-9925
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-05909 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 270.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.328 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 2.600 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 1.436 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN
•
MATERIAL: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 270.0 FAHRENHEIT DEGF
SEAL WIDTH0.328 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HOUSING BORE DIAMETER2.600 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER1.436 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALSTEEL SPRING
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 2
PS205909Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
501275Reference 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 2-05909?
2-05909 is a RING,PISTON.
What parts can replace 2-05909?
There are 2 known substitutes for 2-05909: PS205909, 501275. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-05909?
2-05909 is cataloged in the U.S. Government catalog under NSN 5330-00-965-9925. This indicates validated use in U.S. government and defense supply chains.
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