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Technical Data Sheet
PartsTable / O-RING / AS28775-026
AS28775-026 ✓ 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, outside_diameter: 0.070 INCHES NOMINAL IN, peripheral_diameter: 1.379 INCHES NOMINAL IN, center_hole_diameter: 1.250 INCHES NOMINAL IN, elongation_percentage: 160 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-236-6206, 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
AS28775-026
NSN: 5331-01-236-6206
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
outside_diameter0.070 INCHES NOMINAL IN
peripheral_diameter1.379 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES NOMINAL IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.062 INCHES NOMINAL IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
material_document_and_classificationMIL-P-25372 MIL STD SINGLE MATERIAL RESPONSE
NSN5331-01-236-6206
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS28775-026 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
•
OUTSIDE DIAMETER: 0.070 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25372 MIL STD SINGLE MATERIAL RESPONSE
•
PERIPHERAL DIAMETER: 1.379 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.070 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZW
ELONGATION PERCENTAGE160 MAXIMUM
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25372 MIL STD SINGLE MATERIAL RESPONSE
PERIPHERAL DIAMETER1.379 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
230079020Interchangeable
interchangeable cross-reference
interchangeable
MS28775-026Interchangeable
interchangeable cross-reference
interchangeable
C4072525ALInterchangeable
interchangeable cross-reference
interchangeable
MS28775-221Interchangeable
interchangeable cross-reference
interchangeable
230079111Interchangeable
interchangeable cross-reference
interchangeable
AN6227-26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS28775-026?
AS28775-026 is a O-RING.
What parts can replace AS28775-026?
There are 15 known substitutes for AS28775-026: 230079020, MS28775-026, C4072525AL and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS28775-026?
AS28775-026 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-236-6206. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026