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Technical Data Sheet
PartsTable / O-RING / 32145D
32145D ✓ 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 SYNTHETIC, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN, center_hole_diameter: 2.540 INCHES MINIMUM AND 2.560 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 (FLIS) under NSN 5331-00-103-1506, 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
32145D
NSN: 5331-00-103-1506
FSC: 5331 — O-RING
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
center_hole_diameter2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
NSN5331-00-103-1506
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 32145D 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
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER SYNTHETIC
•
OUTSIDE DIAMETER: 2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER SYNTHETIC
OUTSIDE DIAMETER2.730 INCHES MINIMUM AND 2.782 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
AS3209-114Interchangeable
interchangeable cross-reference
interchangeable
081369-9Interchangeable
interchangeable cross-reference
interchangeable
AS3209Interchangeable
interchangeable cross-reference
interchangeable
284732-0001 ITEM 66Interchangeable
interchangeable cross-reference
interchangeable
J221P022Interchangeable
interchangeable cross-reference
interchangeable
S1D10048 ITEM 39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 32145D?
32145D is a O-RING.
What parts can replace 32145D?
There are 31 known substitutes for 32145D: AS3209-114, 081369-9, AS3209 and 28 more. Substitute compatibility should be verified for your specific system.
Is 32145D still available?
32145D 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