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Technical Data Sheet
PartsTable / COMPONENT / B1672-40
B1672-40 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-325-8798, 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
B1672-40
NSN: 5330-00-325-8798
FSC: 5330
CAGE: 1DF03 — ABM EQUIPMENT, LLC (USA)
SPECIFICATIONS
Part NumberB1672-40
NSN5330-00-325-8798
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B1672-40 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
M-674Interchangeable
interchangeable cross-reference
interchangeable
50-M674Interchangeable
interchangeable cross-reference
interchangeable
2106AInterchangeable
interchangeable cross-reference
interchangeable
6-1-6246Interchangeable
interchangeable cross-reference
interchangeable
5/8-11UNC-2BInterchangeable
interchangeable cross-reference
interchangeable
114459023 FN 137Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1672-40?
B1672-40 is a GASKET.
What parts can replace B1672-40?
There are 9 known substitutes for B1672-40: M-674, 50-M674, 2106A and 6 more. Substitute compatibility should be verified for your specific system.
Is B1672-40 still available?
B1672-40 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