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PartsTable / COMPONENT / 541-5182933 ITEM 11 3/8 IN SQ
541-5182933 ITEM 11 3/8 IN SQ ✓ 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 541-5182933 ITEM 11 3/8 IN SQ 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 5330-01-126-1917, 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
541-5182933 ITEM 11 3/8 IN SQ
NSN: 5330-01-126-1917
FSC: 5330
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number541-5182933 ITEM 11 3/8 IN SQ
NSN5330-01-126-1917
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 541-5182933 ITEM 11 3/8 IN SQ 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 SHAPE STYLE: SQUARE
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.375 INCHES NOMINAL IN
•
MATERIAL: RESIN SYNTHETIC OR COTTON OR PLASTIC
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-17303 CLASS 2 TYPE D MIL SPEC 1ST MATERIAL RESPONSE OR MIL-P-17303 CLASS 2 TYPE D MIL SPEC 2ND MATERIAL RESPONSE OR PLASTIC 1845 FSCM 49944 MFR REF 3RD MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.375 INCHES NOMINAL IN
MATERIALRESIN SYNTHETIC OR COTTON OR PLASTIC
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-17303 CLASS 2 TYPE D MIL SPEC 1ST MATERIAL RESPONSE OR MIL-P-17303 CLASS 2 TYPE D MIL SPEC 2ND MATERIAL RESPONSE OR PLASTIC 1845 FSCM 49944 MFR REF 3RD MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
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
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 541-5182933 ITEM 11 3/8 IN SQ?
541-5182933 ITEM 11 3/8 IN SQ is a 541-5182933 ITEM 11 3/8 IN SQ.
What parts can replace 541-5182933 ITEM 11 3/8 IN SQ?
There are 14 known substitutes for 541-5182933 ITEM 11 3/8 IN SQ: MILP17303, 101A247ABP1, MIL-P-17303-1/8 IN THK and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 541-5182933 ITEM 11 3/8 IN SQ?
541-5182933 ITEM 11 3/8 IN SQ is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-126-1917. 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