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1090599 — NUT,EYE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1090599: NUT,EYE.

The NUT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: EYE, nut_width: 4.00 INCHES NOMINAL IN, hole_width: 2.25 INCHES NOMINAL IN, hole_height: 3.06 INCHES NOMINAL IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-733-2971, 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
1090599
NSN: 5310-01-733-2971
FSC: 5310 — Nuts and Washers
CAGE: 75535 — THE CROSBY GROUP LLC DBA THE CROSBY GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleEYE
nut_width4.00 INCHES NOMINAL IN
hole_width2.25 INCHES NOMINAL IN
hole_height3.06 INCHES NOMINAL IN
thread_class2B
body_diameter2.13 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height5.01 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
eye_body_thickness1.19 INCHES NOMINAL IN
NSN5310-01-733-2971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1090599 · 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
•
BODY DIAMETER: 2.13 INCHES NOMINAL IN
•
NUT WIDTH: 4.00 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASME B30.26 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASME B30.26 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
EYE BODY THICKNESS: 1.19 INCHES NOMINAL IN
•
HOLE HEIGHT: 3.06 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY DIAMETER2.13 INCHES NOMINAL IN
OVERALL HEIGHT5.01 INCHES NOMINAL IN
NUT WIDTH4.00 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASME B30.26 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONASME B30.26 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
EYE BODY THICKNESS1.19 INCHES NOMINAL IN
HOLE HEIGHT3.06 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.0 INCHES IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1090599?
1090599 is a NUT,EYE.
What is the NSN for 1090599?
1090599 is cataloged in the U.S. Government catalog under NSN 5310-01-733-2971. 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.