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EN-5-2H-ZN — NUT,EYE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

EN-5-2H-ZN: NUT,EYE.

The NUT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: EYE, nut_width: 2.0 INCHES NOMINAL IN, hole_width: 1.25 INCHES NOMINAL IN, hole_height: 1.5 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-728-7652, 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
EN-5-2H-ZN
NSN: 5310-01-728-7652
FSC: 5310 — Nuts and Washers
CAGE: 1GMT9 — KEN FORGING INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleEYE
nut_width2.0 INCHES NOMINAL IN
hole_width1.25 INCHES NOMINAL IN
hole_height1.5 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height2.5 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
eye_body_thickness0.375 INCHES NOMINAL IN
fabrication_methodFORGED
nominal_thread_size0.5 INCHES IN
NSN5310-01-728-7652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EN-5-2H-ZN · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT WIDTH: 2.0 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A194-2H AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
EYE BODY THICKNESS: 0.375 INCHES NOMINAL IN
•
HOLE HEIGHT: 1.5 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.5 INCHES IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.5 INCHES NOMINAL IN
NUT WIDTH2.0 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A194-2H AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
EYE BODY THICKNESS0.375 INCHES NOMINAL IN
HOLE HEIGHT1.5 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.5 INCHES IN
HOLE WIDTH1.25 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 EN-5-2H-ZN?
EN-5-2H-ZN is a NUT,EYE.
What is the NSN for EN-5-2H-ZN?
EN-5-2H-ZN is cataloged in the U.S. Government catalog under NSN 5310-01-728-7652. 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.