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90630A121 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

90630A121: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, thread_direction: RIGHT-HAND, end_item_identification: 2590-01-553-6517;MINE ROLLER SYSTEM,PC GEN II, part_name_assigned_by_controlling_agency: NUT,HEX,NYLOCK. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-565-2727, 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
90630A121
NSN: 5310-01-565-2727
NIINs: 015652727, 015975723
FSC: 5310 — Nuts and Washers
CAGE: 07070 — UNITED STATES DEPARTMENT OF THE NAVY DBA NAVAL SURFACE WARFARE CENTER PANAMA CITY (USA)
SPECIFICATIONS
nut_styleHEXAGON
thread_directionRIGHT-HAND
end_item_identification2590-01-553-6517;MINE ROLLER SYSTEM,PC GEN II
part_name_assigned_by_controlling_agencyNUT,HEX,NYLOCK
NSN5310-01-565-2727
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90630A121 · 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 DIRECTION: RIGHT-HAND
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,HEX,NYLOCK
NUT STYLEHEXAGON
END ITEM IDENTIFICATION2590-01-553-6517;MINE ROLLER SYSTEM,PC GEN II
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90630A121?
90630A121 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 90630A121?
90630A121 is cataloged in the U.S. Government catalog under NSN 5310-01-565-2727. 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.