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G-228-1X12 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

G-228-1X12: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include length: 26.625 INCHES NOMINAL IN, material: STEEL OVERALL, end_style: CLEVIS AND CLEVIS, body_style: ROUND OPEN BODY, fork_width: 1.750 INCHES NOMINAL IN, thread_class: 2B BODY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-121-2957, 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-228-1X12
NSN: 5340-01-121-2957
FSC: 5340 — Hardware, Commercial
CAGE: 75535 — THE CROSBY GROUP LLC DBA THE CROSBY GROUP (USA)
SPECIFICATIONS
length26.625 INCHES NOMINAL IN
materialSTEEL OVERALL
end_styleCLEVIS AND CLEVIS
body_styleROUND OPEN BODY
fork_width1.750 INCHES NOMINAL IN
thread_class2B BODY
pinhole_diameter1.000 INCHES NOMINAL IN
take-up_distance12.000 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
nominal_thread_size1.000 INCHES BODY IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) BODY
nondefinitive_spec/std_data1 TYPE AND 1 FORM AND 7 CLASS
NSN5340-01-121-2957
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G-228-1X12 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
•
TAKE-UP DISTANCE: 12.000 INCHES NOMINAL IN
•
LENGTH: 26.625 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
BODY STYLE: ROUND OPEN BODY
•
END STYLE: CLEVIS AND CLEVIS
•
NOMINAL THREAD SIZE: 1.000 INCHES BODY IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 FORM AND 7 CLASS
•
FORK WIDTH: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TAKE-UP DISTANCE12.000 INCHES NOMINAL IN
LENGTH26.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
BODY STYLEROUND OPEN BODY
END STYLECLEVIS AND CLEVIS
NOMINAL THREAD SIZE1.000 INCHES BODY IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 FORM AND 7 CLASS
FORK WIDTH1.750 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
PINHOLE DIAMETER1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
2350-6165-001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FF-T-791Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G-228-1X12?
G-228-1X12 is a TURNBUCKLE.
What parts can replace G-228-1X12?
There are 2 known substitutes for G-228-1X12: 2350-6165-001, FF-T-791. Substitute compatibility should be verified for your specific system.
What is the NSN for G-228-1X12?
G-228-1X12 is cataloged in the U.S. Government catalog under NSN 5340-01-121-2957. 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.