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Technical Data Sheet

AMS-R-83412/1 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AMS-R-83412/1: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM, hardness_rating: 83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-83412 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-390-7227, 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
AMS-R-83412/1
NSN: 5331-01-390-7227
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
hardness_rating83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-83412 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-390-7227
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS-R-83412/1 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
•
HARDNESS RATING: 83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83412 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
HARDNESS RATING83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83412 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
SUBSTITUTES & CROSS-REFERENCES 3
MIL-R-83412Reference document
Same NSN cross-reference
Reference document — Secondary reference
AMS-R-83412Reference document
Same NSN cross-reference
Reference document — Secondary reference
M83412/1-905Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AMS-R-83412/1?
AMS-R-83412/1 is a O-RING.
What parts can replace AMS-R-83412/1?
There are 3 known substitutes for AMS-R-83412/1: MIL-R-83412, AMS-R-83412, M83412/1-905. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS-R-83412/1?
AMS-R-83412/1 is cataloged in the U.S. Government catalog under NSN 5331-01-390-7227. This indicates validated use in U.S. government and defense supply chains.
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