PartsTable
Technical Data Sheet
US 71672-1-4 ✓ 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 SEAL,PLAIN 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 5330-01-372-9299, 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
US 71672-1-4
NSN: 5330-01-372-9299
FSC: 5330
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
Part NumberUS 71672-1-4
NSN5330-01-372-9299
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: US 71672-1-4 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 14
44700Interchangeable
interchangeable cross-reference
interchangeable
40273Interchangeable
interchangeable cross-reference
interchangeable
447Interchangeable
interchangeable cross-reference
interchangeable
40273 PIECE 17Interchangeable
interchangeable cross-reference
interchangeable
58-5725 IT 38Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is US 71672-1-4?
US 71672-1-4 is a SEAL,PLAIN.
What parts can replace US 71672-1-4?
There are 14 known substitutes for US 71672-1-4: 44700, 40273, 447 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for US 71672-1-4?
US 71672-1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-372-9299. This indicates validated use in U.S. government and defense supply chains.
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