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Technical Data Sheet
260-737-70 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, material_document_and_classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-405-0798, 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
260-737-70
NSN: 5331-00-405-0798
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-405-0798
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 260-737-70 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
CENTER HOLE DIAMETER: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AS568-260Interchangeable
interchangeable cross-reference
interchangeable
AS568-260-36624Interchangeable
interchangeable cross-reference
interchangeable
2-260 N304-75Interchangeable
interchangeable cross-reference
interchangeable
2-260N304-70Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 260-737-70?
260-737-70 is a O-RING.
What parts can replace 260-737-70?
There are 4 known substitutes for 260-737-70: AS568-260, AS568-260-36624, 2-260 N304-75 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 260-737-70?
260-737-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-405-0798. This indicates validated use in U.S. government and defense supply chains.
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