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11579121 — NUT,CROSS LEVELING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11579121: NUT,CROSS LEVELING.

The NUT,CROSS LEVELING is a the manufacturer industrial component. Key specifications include end_item_identification: MORTAR,60 MM. (XM224E1); NSN 1010-01-020-5626 MM.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-043-7480, 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
11579121
NSN: 5310-01-043-7480
FSC: 5310 — Nuts and Washers
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
end_item_identificationMORTAR,60 MM. (XM224E1); NSN 1010-01-020-5626 MM
NSN5310-01-043-7480
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11579121 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM; ANODIZED,BLACK; 3.760 IN. LG.; 1.250 IN. O.D.; 1.060 IN. I.D.; 1 END THREADED TO 1.3125-16UN-2A; OPPOSITE END IS INTERNALLY THREADED TO 1.024 STUB ACME M2-4G; CONSISTS OF GRIP,ADJUSTING-1,P/N 11579009; CAP-1,P/N 11579053; SLEEVE,SLIDING-1,P/N 11578994; 11.700 IN. LG. WHEN ASSEMBLED A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM; ANODIZED,BLACK; 3.760 IN. LG.; 1.250 IN. O.D.; 1.060 IN. I.D.; 1 END THREADED TO 1.3125-16UN-2A; OPPOSITE END IS INTERNALLY THREADED TO 1.024 STUB ACME M2-4G; CONSISTS OF GRIP,ADJUSTING-1,P/N 11579009; CAP-1,P/N 11579053; SLEEVE,SLIDING-1,P/N 11578994; 11.700 IN. LG. WHEN ASSEMBLED A
END ITEM IDENTIFICATIONMORTAR,60 MM. (XM224E1); NSN 1010-01-020-5626 MM
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: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 11579121?
11579121 is a NUT,CROSS LEVELING.
What is the NSN for 11579121?
11579121 is cataloged in the U.S. Government catalog under NSN 5310-01-043-7480. 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.