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Technical Data Sheet
PartsTable / O-RING / 820-4446005 ITM. 7.1.1 , 9.5.1
820-4446005 ITM. 7.1.1 , 9.5.1 ✓ 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 820-4446005 ITM. 7.1.1 , 9.5.1 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-815-1712, 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
820-4446005 ITM. 7.1.1 , 9.5.1
NSN: 5331-00-815-1712
FSC: 5331 — O-RING
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number820-4446005 ITM. 7.1.1 , 9.5.1
NSN5331-00-815-1712
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 820-4446005 ITM. 7.1.1 , 9.5.1 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 BUTADIENE-ACRYLONITRILE CLASS NBR
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 3.219 INCHES MINIMUM AND 3.249 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
OUTSIDE DIAMETER: 3.512 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER3.219 INCHES MINIMUM AND 3.249 INCHES MAXIMUM IN
ELONGATION PERCENTAGE160 MAXIMUM
OUTSIDE DIAMETER3.512 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AS28775-236Interchangeable
interchangeable cross-reference
interchangeable
SR236SR832-75Interchangeable
interchangeable cross-reference
interchangeable
7377-236Interchangeable
interchangeable cross-reference
interchangeable
AD-6788-8PC6Interchangeable
Same NIIN cross-reference
interchangeable
820-4446005-61Interchangeable
Same NIIN cross-reference
interchangeable
MS28775-236Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820-4446005 ITM. 7.1.1 , 9.5.1?
820-4446005 ITM. 7.1.1 , 9.5.1 is a 820-4446005 ITM. 7.1.1 , 9.5.1.
What parts can replace 820-4446005 ITM. 7.1.1 , 9.5.1?
There are 9 known substitutes for 820-4446005 ITM. 7.1.1 , 9.5.1: AS28775-236, SR236SR832-75, 7377-236 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820-4446005 ITM. 7.1.1 , 9.5.1?
820-4446005 ITM. 7.1.1 , 9.5.1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-815-1712. 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