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Technical Data Sheet

AMS 7259/AS3581-122 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AMS 7259/AS3581-122: O-RING.

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 U.S.

Government catalog under NSN 5331-01-518-0486, 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 7259/AS3581-122
NSN: 5331-01-518-0486
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
NSN5331-01-518-0486
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS 7259/AS3581-122 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE AMS7259 ASSN STD SINGLE MATERIAL RESPONSE
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-83248C, TYPE 1, CLASS 2/CANCELLED GOVERNMENT SPECIFICATION
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
CENTER HOLE DIAMETER: 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIAL DOCUMENT AND CLASSIFICATIONSAE AMS7259 ASSN STD SINGLE MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA81349-MIL-R-83248C, TYPE 1, CLASS 2/CANCELLED GOVERNMENT SPECIFICATION
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CENTER HOLE DIAMETER1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONSHIP, OHIO CLASS SSN (TRIDENT)
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 8
M83248/2-122Reference document
Same NSN cross-reference
Reference document — Secondary reference
284060-0003 ITEM 62CPReference document
Same NSN cross-reference
Reference document — Secondary reference
AMS7259DReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-R-83248/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
284060-0003 ITEM 62Reference document
Same NSN cross-reference
Reference document — Secondary reference
M83248/2-122CPReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AMS 7259/AS3581-122?
AMS 7259/AS3581-122 is a O-RING.
What parts can replace AMS 7259/AS3581-122?
There are 8 known substitutes for AMS 7259/AS3581-122: M83248/2-122, 284060-0003 ITEM 62CP, AMS7259D and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS 7259/AS3581-122?
AMS 7259/AS3581-122 is cataloged in the U.S. Government catalog under NSN 5331-01-518-0486. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.