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Technical Data Sheet
PartsTable / COMPONENT / G-227-1/2X12
G-227-1/2X12 ✓ 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 G-227-1/2X12 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 5340-00-663-3411, 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
G-227-1/2X12
NSN: 5340-00-663-3411
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberG-227-1/2X12
NSN5340-00-663-3411
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G-227-1/2X12 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: STEEL OVERALL
•
LENGTH: 19.719 INCHES NOMINAL IN
•
FORK WIDTH: 0.625 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
BODY STYLE: ROUND OPEN BODY
•
BODY LENGTH: 13.750 INCHES NOMINAL IN
•
PINHOLE DIAMETER: 0.390 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
LENGTH19.719 INCHES NOMINAL IN
FORK WIDTH0.625 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S: SPRUANCE CLASS DD (963); MISSILE, MINUTERMAN LGM-30; ANTENNA HF AS-3482
SURFACE TREATMENTZINC OVERALL
BODY STYLEROUND OPEN BODY
BODY LENGTH13.750 INCHES NOMINAL IN
PINHOLE DIAMETER0.390 INCHES NOMINAL IN
THREAD CLASS1A BODY A
NOMINAL THREAD SIZE0.500 INCHES BODY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
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
ASTM-F1145-I1B 1/2X9Upgraded Successor
successor cross-reference
successor
S-2510-1/2X9Upgraded Successor
successor cross-reference
successor
MS27954-5Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G-227-1/2X12?
G-227-1/2X12 is a G-227-1/2X12.
What parts can replace G-227-1/2X12?
There are 20 known substitutes for G-227-1/2X12: ASTM F 1145-5, FF-T-791, 11157-1-64 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G-227-1/2X12?
G-227-1/2X12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-663-3411. 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