MIL-R-83412 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

MIL-R-83412: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-83412A MIL SPEC SINGLE MATERIAL RESPONSE A. 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

MIL-R-83412

NSN: 5331-01-390-7227
NIINs: 013907227, 014120821, 015327685, 015327693
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	RUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating	83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter	0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
cross-sectional_height	0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classification	MIL-R-83412A MIL SPEC SINGLE MATERIAL RESPONSE A
NSN	5331-01-390-7227

COMPONENT DIAGRAM

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 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

SUBSTITUTES & CROSS-REFERENCES 3

AMS-R-83412Reference document

Same NSN cross-reference

Reference document — Secondary reference

M83412/1-905Reference document

Same NSN cross-reference

Reference document — Secondary reference

AMS-R-83412/1Reference 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 MIL-R-83412?

MIL-R-83412 is a O-RING.

What parts can replace MIL-R-83412?

There are 3 known substitutes for MIL-R-83412: AMS-R-83412, M83412/1-905, AMS-R-83412/1. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-R-83412?

MIL-R-83412 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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