PartsTable
Technical Data Sheet
AMS 7259D ✓ 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, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, end_item_identification: SHIP, OHIO CLASS SSN (TRIDENT). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-165-1981, 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 7259D
NSN: 5331-00-165-1981
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identificationSHIP, OHIO CLASS SSN (TRIDENT)
specification/standard_data81349-MIL-R-83248C, TYPE 1, CLASS 2/CANCELLED GOVERNMENT SPECIFICATION
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationSAE AMS7259 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-00-165-1981
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS 7259D 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
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 0.613 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.461 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER0.613 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.461 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
AS568-906Interchangeable
interchangeable cross-reference
interchangeable
S0455 3-906Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-906Interchangeable
interchangeable cross-reference
interchangeable
3096Interchangeable
interchangeable cross-reference
interchangeable
3906Interchangeable
interchangeable cross-reference
interchangeable
92062Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMS 7259D?
AMS 7259D is a O-RING.
What parts can replace AMS 7259D?
There are 27 known substitutes for AMS 7259D: AS568-906, S0455 3-906, M83248/2-906 and 24 more. Substitute compatibility should be verified for your specific system.
Is AMS 7259D still available?
AMS 7259D is currently cancelled.
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