PartsTable
Technical Data Sheet

LE121T SHT5, 820300-7 FN-10 — Technical Data Sheet

✓ 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, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.663 INCHES MINIMUM AND 3.723 INCHES MAXIMUM IN, center_hole_diameter: 3.463 INCHES MINIMUM AND 3.511 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5331-00-167-5139, 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
LE121T SHT5, 820300-7 FN-10
NSN: 5331-00-167-5139
FSC: 5331 — O-RING
CAGE: 56349 — TRI-TEC MANUFACTURING, LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter3.663 INCHES MINIMUM AND 3.723 INCHES MAXIMUM IN
center_hole_diameter3.463 INCHES MINIMUM AND 3.511 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-167-5139
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LE121T SHT5, 820300-7 FN-10 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
•
CENTER HOLE DIAMETER: 3.463 INCHES MINIMUM AND 3.511 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
OUTSIDE DIAMETER: 3.663 INCHES MINIMUM AND 3.723 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER3.463 INCHES MINIMUM AND 3.511 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
OUTSIDE DIAMETER3.663 INCHES MINIMUM AND 3.723 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
10178108-25InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
14657InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
L77979InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
611002InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2153InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
98InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy LE121T SHT5, 820300-7 FN-10?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LE121T SHT5, 820300-7 FN-10?
LE121T SHT5, 820300-7 FN-10 is a O-RING.
What parts can replace LE121T SHT5, 820300-7 FN-10?
There are 33 known substitutes for LE121T SHT5, 820300-7 FN-10: 10178108-25, 14657, L77979 and 30 more. Substitute compatibility should be verified for your specific system.
Is LE121T SHT5, 820300-7 FN-10 still available?
LE121T SHT5, 820300-7 FN-10 is currently cancelled.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LE121T SHT5, 820300-7 FN-10