PartsTable
Technical Data Sheet
4045205017 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-5079, 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
4045205017
NSN: 5331-00-291-5079
FSC: 5331 — O-RING
CAGE: 01379 — EMERSON PROCESS MANAGEMENT VALVE AUTOMATION, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-291-5079
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4045205017 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: 70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE: 331 MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE331 MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MIL-G-21569BInterchangeable
interchangeable cross-reference
interchangeable
104503Interchangeable
interchangeable cross-reference
interchangeable
149121Interchangeable
interchangeable cross-reference
interchangeable
2-050S604-70Interchangeable
interchangeable cross-reference
interchangeable
AS568-050Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-21569Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4045205017?
4045205017 is a O-RING.
What parts can replace 4045205017?
There are 11 known substitutes for 4045205017: MIL-G-21569B, 104503, 149121 and 8 more. Substitute compatibility should be verified for your specific system.
Is 4045205017 still available?
4045205017 is currently cancelled.
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