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PartsTable / COMPONENT / 33311-3 PIECE 8 3/4 IN
33311-3 PIECE 8 3/4 IN ✓ 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 33311-3 PIECE 8 3/4 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-219-3496, 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
33311-3 PIECE 8 3/4 IN
NSN: 5330-01-219-3496
FSC: 5330
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
Part Number33311-3 PIECE 8 3/4 IN
NSN5330-01-219-3496
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 33311-3 PIECE 8 3/4 IN 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-P-17303,CLASS 2,TYPE E,SYMBOL 1111 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
MATERIAL: ASBESTOS OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-17303,CLASS 2,TYPE E,SYMBOL 1111 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MATERIALASBESTOS OVERALL
CRITICALITY CODE JUSTIFICATIONZZZY
SPECIAL FEATURESO.D. 1.000 INCH; I.D. 0.531 INCH; 0.250 INCH THICK IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MILP17303Interchangeable
interchangeable cross-reference
interchangeable
101A247ABP1Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-17303-1/8 IN THKInterchangeable
interchangeable cross-reference
interchangeable
187-1 1/8INInterchangeable
interchangeable cross-reference
interchangeable
5330PL1448691Interchangeable
interchangeable cross-reference
interchangeable
CA9189 PIECE 66FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33311-3 PIECE 8 3/4 IN?
33311-3 PIECE 8 3/4 IN is a 33311-3 PIECE 8 3/4 IN.
What parts can replace 33311-3 PIECE 8 3/4 IN?
There are 18 known substitutes for 33311-3 PIECE 8 3/4 IN: MILP17303, 101A247ABP1, MIL-P-17303-1/8 IN THK and 15 more. Substitute compatibility should be verified for your specific system.
Is 33311-3 PIECE 8 3/4 IN still available?
33311-3 PIECE 8 3/4 IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026