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Technical Data Sheet
PartsTable / COMPONENT / HG-226-3/8X6
HG-226-3/8X6 ✓ 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 HG-226-3/8X6 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-187-8174, 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
HG-226-3/8X6
NSN: 5340-00-187-8174
FSC: 5340
CAGE: 75535 — THE CROSBY GROUP LLC DBA THE CROSBY GROUP (USA)
SPECIFICATIONS
Part NumberHG-226-3/8X6
NSN5340-00-187-8174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HG-226-3/8X6 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
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) BODY
•
BODY LENGTH: 7.125 INCHES NOMINAL IN
•
LENGTH: 11.000 INCHES NOMINAL IN
•
END STYLE: CLOSED EYE AND CLOSED EYE
•
NOMINAL THREAD SIZE: 0.375 INCHES BODY IN
•
THREAD CLASS: 1A BODY A
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) BODY
BODY LENGTH7.125 INCHES NOMINAL IN
LENGTH11.000 INCHES NOMINAL IN
END STYLECLOSED EYE AND CLOSED EYE
NOMINAL THREAD SIZE0.375 INCHES BODY IN
THREAD CLASS1A BODY A
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
EYE WIDTH0.531 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA4 CLASS AND 1 FORM AND 1 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
ASTM F 1145-5Upgraded Successor
successor cross-reference
successor
FF-T-791Upgraded Successor
successor cross-reference
successor
11157-1-64Upgraded Successor
successor cross-reference
successor
MS27950-7Upgraded Successor
successor cross-reference
successor
FFT791-TY1-FM1-CL8-5/16X4 1/2Upgraded Successor
successor cross-reference
successor
HG-227-5/16X4 1/2Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HG-226-3/8X6?
HG-226-3/8X6 is a HG-226-3/8X6.
What parts can replace HG-226-3/8X6?
There are 16 known substitutes for HG-226-3/8X6: ASTM F 1145-5, FF-T-791, 11157-1-64 and 13 more. Substitute compatibility should be verified for your specific system.
Is HG-226-3/8X6 still available?
HG-226-3/8X6 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