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0590-0923 — NUT,PLAIN,SPLINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0590-0923: NUT,PLAIN,SPLINE.

The NUT,PLAIN,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_height: 0.125 INCHES NOMINAL IN, nut_diameter: 0.635 INCHES NOMINAL IN, pilot_length: 0.057 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-180-4772, 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
0590-0923
NSN: 5310-01-180-4772
FSC: 5310 — Nuts and Washers
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_height0.125 INCHES NOMINAL IN
nut_diameter0.635 INCHES NOMINAL IN
pilot_length0.057 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
pilot_diameter0.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.500 INCHES IN
thread_quantity_per_inch32
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-180-4772
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0590-0923 · 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
•
THREAD SERIES: UNEF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT DIAMETER: 0.635 INCHES NOMINAL IN
•
PILOT DIAMETER: 0.562 INCHES NOMINAL IN
•
PILOT LENGTH: 0.057 INCHES NOMINAL IN
•
NUT HEIGHT: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNEF
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT DIAMETER0.635 INCHES NOMINAL IN
PILOT DIAMETER0.562 INCHES NOMINAL IN
PILOT LENGTH0.057 INCHES NOMINAL IN
NUT HEIGHT0.125 INCHES NOMINAL IN
THREAD CLASS2B
THREAD QUANTITY PER INCH32
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 1
013058001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 0590-0923?
0590-0923 is a NUT,PLAIN,SPLINE.
What parts can replace 0590-0923?
There is 1 known substitute for 0590-0923: 013058001. Substitute compatibility should be verified for your specific system.
What is the NSN for 0590-0923?
0590-0923 is cataloged in the U.S. Government catalog under NSN 5310-01-180-4772. 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.