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Technical Data Sheet
3A55 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include end_item_identification: W1LD HEERBRUGG LTD MODEL T-16. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-292-0395, 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
3A55
NSN: 5330-00-292-0395
FSC: 5330
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
end_item_identificationW1LD HEERBRUGG LTD MODEL T-16
general_characteristics_item_descriptionFIRST END 1.4 MM W,10 CM LG,RISES 4.0 CM TO 2.0 KM W FOR 20.0 CM,SECOND END DESCENDS 4.0 CM,BENDS AT 1.4 MM BY 30 DEG ANGLE,LIMITED IAW ASPR9 203,ADJUSTING MM
NSN5330-00-292-0395
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3A55 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 DOCUMENT AND CLASSIFICATION: MIL-A-7021,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-7021,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER1.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIALASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
0664Interchangeable
interchangeable cross-reference
interchangeable
109334Interchangeable
interchangeable cross-reference
interchangeable
3A55Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3A55?
3A55 is a GASKET.
What parts can replace 3A55?
There are 3 known substitutes for 3A55: 0664, 109334, 3A55. Substitute compatibility should be verified for your specific system.
Is 3A55 still available?
3A55 is currently cancelled.
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