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120R2 CLASS 1 SIZE R125 AMS3215 — Technical Data Sheet

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— · 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, operating_medium: FUEL, AROMATIC, peripheral_diameter: 1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN, center_hole_diameter: 1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5330-01-265-2447, 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
120R2 CLASS 1 SIZE R125 AMS3215
NSN: 5330-01-265-2447
FSC: 5330
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
operating_mediumFUEL, AROMATIC
peripheral_diameter1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
center_hole_diameter1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
nondefinitive_spec/std_data1 CLASS AND R125 SIZE
specification/standard_data81343-SAE J120 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationAMS 3215 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 2BG720B14B34EO14E034EF11EF21EA14 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-265-2447
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 120R2 CLASS 1 SIZE R125 AMS3215 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
•
OPERATING MEDIUM: FUEL, AROMATIC
•
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND R125 SIZE
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
PERIPHERAL DIAMETER: 1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
COLOR: YELLOW
TECHNICAL CHARACTERISTICS
OPERATING MEDIUMFUEL, AROMATIC
NONDEFINITIVE SPEC/STD DATA1 CLASS AND R125 SIZE
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
COLORYELLOW
CENTER HOLE DIAMETER1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3215 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 2BG720B14B34EO14E034EF11EF21EA14 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
J120InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7912037InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-132InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2124880InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
J120, CLII,SZ135InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-R-83248/2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120R2 CLASS 1 SIZE R125 AMS3215?
120R2 CLASS 1 SIZE R125 AMS3215 is a PACKING,PREFORMED.
What parts can replace 120R2 CLASS 1 SIZE R125 AMS3215?
There are 9 known substitutes for 120R2 CLASS 1 SIZE R125 AMS3215: J120, 7912037, AS568-132 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120R2 CLASS 1 SIZE R125 AMS3215?
120R2 CLASS 1 SIZE R125 AMS3215 is cataloged in the Federal Logistics Information System under NSN 5330-01-265-2447. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026