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2AT583 — NUT,PLAIN,ASSEMBLED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2AT583: NUT,PLAIN,ASSEMBLED WASHER.

The NUT,PLAIN,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CONICAL, nut_height: 0.120 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-047-6064, 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
2AT583
NSN: 5310-01-047-6064
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCONICAL
nut_height0.120 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.190 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND DICHROMATE OVERALL
width_across_flats0.340 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
washer_outside_diameter0.380 INCHES NOMINAL IN
thread_quantity_per_inch32
NSN5310-01-047-6064
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2AT583 · 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
•
WASHER OUTSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.340 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
NUT HEIGHT: 0.120 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND DICHROMATE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.190 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER0.380 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.340 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
NUT HEIGHT0.120 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND DICHROMATE OVERALL
NUT STYLECONICAL
THREAD CLASS2B
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 2
A45368Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1851808Reference document
Same NSN cross-reference
Reference document — Secondary 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 2AT583?
2AT583 is a NUT,PLAIN,ASSEMBLED WASHER.
What parts can replace 2AT583?
There are 2 known substitutes for 2AT583: A45368, 1851808. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AT583?
2AT583 is cataloged in the U.S. Government catalog under NSN 5310-01-047-6064. 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.