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Technical Data Sheet
PartsTable / O-RING / ST3002-04
ST3002-04 ✓ 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 FLUOROCARBON CLASS FPM, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.495 INCHES NOMINAL IN, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-103-1986, 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
ST3002-04
NSN: 5331-00-103-1986
FSC: 5331 — O-RING
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.495 INCHES NOMINAL IN
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
end_item_identificationMRAP - COUGAR CAT1 A1; MRAP - COUGAR CAT1 A2; MRAP - COUGAR CAT2 A1; MRAP - COUGAR CAT2 A2; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
NSN5331-00-103-1986
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST3002-04 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: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 0.495 INCHES NOMINAL IN
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMRAP - COUGAR CAT1 A1; MRAP - COUGAR CAT1 A2; MRAP - COUGAR CAT2 A1; MRAP - COUGAR CAT2 A2; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER0.495 INCHES NOMINAL IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5331PL2007478Interchangeable
interchangeable cross-reference
interchangeable
M83248-1-904Interchangeable
interchangeable cross-reference
interchangeable
379643Interchangeable
interchangeable cross-reference
interchangeable
ARP568-904MILR6 855Interchangeable
interchangeable cross-reference
interchangeable
501-1819 PC. NO. 6Interchangeable
interchangeable cross-reference
interchangeable
8538PC47Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST3002-04?
ST3002-04 is a O-RING.
What parts can replace ST3002-04?
There are 15 known substitutes for ST3002-04: 5331PL2007478, M83248-1-904, 379643 and 12 more. Substitute compatibility should be verified for your specific system.
Is ST3002-04 still available?
ST3002-04 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026