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Technical Data Sheet
H733-4-111 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include color: RED, center_hole_diameter: 0.411 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN, cross-sectional_height: 0.098 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, specification/standard_data: 81755-C007 MANUFACTURERS SPECIFICATION CONTROL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-225-7761, 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
H733-4-111
NSN: 5330-00-225-7761
FSC: 5330
CAGE: 07096 — BURKE INDUSTRIES PUROSIL DIV (USA)
SPECIFICATIONS
colorRED
center_hole_diameter0.411 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
cross-sectional_height0.098 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
specification/standard_data81755-C007 MANUFACTURERS SPECIFICATION CONTROL
NSN5330-00-225-7761
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H733-4-111 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
CROSS-SECTIONAL HEIGHT: 0.098 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
COLOR: RED
CENTER HOLE DIAMETER: 0.411 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA: 81755-C007 MANUFACTURERS SPECIFICATION CONTROL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.098 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
COLORRED
CENTER HOLE DIAMETER0.411 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81755-C007 MANUFACTURERS SPECIFICATION CONTROL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M25988/1-139Interchangeable
interchangeable cross-reference
interchangeable
B63115-139Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-25988Interchangeable
interchangeable cross-reference
interchangeable
MILR25988ESInterchangeable
Same NIIN cross-reference
interchangeable
PRP111-11646Interchangeable
Same NIIN cross-reference
interchangeable
2-111L449-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H733-4-111?
H733-4-111 is a PACKING,PREFORMED.
What parts can replace H733-4-111?
There are 12 known substitutes for H733-4-111: M25988/1-139, B63115-139, AMS-R-25988 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H733-4-111?
H733-4-111 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-225-7761. This indicates validated use in U.S. government and defense supply chains.
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