PartsTable / O-RING / 66G341-5
66G341-5
✓ 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, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.379 INCHES NOMINAL IN, center_hole_diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN, elongation_percentage: 250 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 5331-00-542-1420, 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
66G341-5
NSN: 5331-00-542-1420 FSC: 5331 — O-RINGCAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
material RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR hardness_rating 70.0 SHORE DUROMETER A NOMINAL outside_diameter 0.379 INCHES NOMINAL IN center_hole_diameter 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN elongation_percentage 250 MAXIMUM cross-sectional_height 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN end_item_identification MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE NSN 5331-00-542-1420
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 66G341-5
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
• CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
• ELONGATION PERCENTAGE: 250 MAXIMUM
• MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
• HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
• CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
• OUTSIDE DIAMETER: 0.379 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN ELONGATION PERCENTAGE 250 MAXIMUM MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR END ITEM IDENTIFICATION MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE HARDNESS RATING 70.0 SHORE DUROMETER A NOMINAL CROSS-SECTIONAL HEIGHT 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN OUTSIDE DIAMETER 0.379 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
26770 Interchangeable interchangeable cross-reference
interchangeable
7383 Interchangeable interchangeable cross-reference
interchangeable
57348 Interchangeable interchangeable cross-reference
interchangeable
5062H Interchangeable interchangeable cross-reference
interchangeable
60603-11 Interchangeable interchangeable cross-reference
interchangeable
A-A-50553 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66G341-5?
66G341-5 is a O-RING.
What parts can replace 66G341-5?
There are 26 known substitutes for 66G341-5: 26770, 7383, 57348 and 23 more. Substitute compatibility should be verified for your specific system.
Is 66G341-5 still available?
66G341-5 is currently cancelled.
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