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33673 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material_document_and_classification: ASTM B221 ASSN STD ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-223-7158, 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
33673
NSN: 5330-01-223-7158
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
material_document_and_classificationASTM B221 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-01-223-7158
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 33673 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: ALUMINUM ALLOY 1145 OR ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 7072 OR ALUMINUM ALLOY 5456 OR ALUMINUM ALLOY 7178 OR ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 OR ALUMINUM ALLOY 5454 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B221 ASSN STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY 1145 OR ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 7072 OR ALUMINUM ALLOY 5456 OR ALUMINUM ALLOY 7178 OR ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 OR ALUMINUM ALLOY 5454 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B221 ASSN STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
25549R1Interchangeable
interchangeable cross-reference
interchangeable
12759-00515Interchangeable
interchangeable cross-reference
interchangeable
15155NInterchangeable
Same NIIN cross-reference
interchangeable
19679N PIECE 32Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33673?
33673 is a WASHER,LOCK.
What parts can replace 33673?
There are 4 known substitutes for 33673: 25549R1, 12759-00515, 15155N and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33673?
33673 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-223-7158. 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