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Technical Data Sheet

G-227-5/8X12 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

G-227-5/8X12: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include length: 21.500 INCHES NOMINAL IN, material: STEEL OVERALL, end_style: CLEVIS AND CLOSED EYE, eye_width: 0.875 INCHES NOMINAL IN, body_style: HEX OPEN BODY, fork_width: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-055-4943, 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-227-5/8X12
NSN: 5340-01-055-4943
NIINs: 010554943, 011160975
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
length21.500 INCHES NOMINAL IN
materialSTEEL OVERALL
end_styleCLEVIS AND CLOSED EYE
eye_width0.875 INCHES NOMINAL IN
body_styleHEX OPEN BODY
fork_width0.875 INCHES NOMINAL IN
body_length13.875 INCHES NOMINAL IN
thread_class2A BODY A
pinhole_diameter0.500 INCHES NOMINAL IN
take-up_distance12.000 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
nominal_thread_size0.625 INCHES BODY IN
NSN5340-01-055-4943
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G-227-5/8X12 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
•
FURNISHED ITEMS AND QUANTITY: 1 COTTER PIN AND 1 PIN
•
TAKE-UP DISTANCE: 12.000 INCHES NOMINAL IN
•
EYE WIDTH: 0.875 INCHES NOMINAL IN
•
LENGTH: 21.500 INCHES NOMINAL IN
•
BODY STYLE: ROUND OPEN BODY
•
END STYLE: CLEVIS AND CLOSED EYE
•
NOMINAL THREAD SIZE: 0.625 INCHES BODY IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 FORM AND 8 CLASS
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 COTTER PIN AND 1 PIN
TAKE-UP DISTANCE12.000 INCHES NOMINAL IN
EYE WIDTH0.875 INCHES NOMINAL IN
LENGTH21.500 INCHES NOMINAL IN
BODY STYLEROUND OPEN BODY
END STYLECLEVIS AND CLOSED EYE
NOMINAL THREAD SIZE0.625 INCHES BODY IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 FORM AND 8 CLASS
FORK WIDTH0.750 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
2350-5900-109Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FF-T-791Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G-227-5/8X12?
G-227-5/8X12 is a TURNBUCKLE.
What parts can replace G-227-5/8X12?
There are 2 known substitutes for G-227-5/8X12: 2350-5900-109, FF-T-791. Substitute compatibility should be verified for your specific system.
What is the NSN for G-227-5/8X12?
G-227-5/8X12 is cataloged in the U.S. Government catalog under NSN 5340-01-055-4943. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.