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11581624 — NUT,PLAIN,SLOTTED,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11581624: NUT,PLAIN,SLOTTED,HEXAGON.

The NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: SLOTTED, HEXAGON, hardness_rating: 39.0 ROCKWELL C MAXIMUM, end_item_identification: M777E1, 155MM HOWITZER MM, part_name_assigned_by_controlling_agency: NUT, SLOTTED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-528-9347, 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
11581624
NSN: 5310-01-528-9347
FSC: 5310 — Nuts and Washers
CAGE: 1NUW7 — US ARMY BENET LABORATORIES RDAR-WSB-O (USA)
SPECIFICATIONS
nut_styleSLOTTED, HEXAGON
thread_seriesM
hardness_rating39.0 ROCKWELL C MAXIMUM
end_item_identificationM777E1, 155MM HOWITZER MM
part_name_assigned_by_controlling_agencyNUT, SLOTTED
NSN5310-01-528-9347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11581624 · 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: M
•
HARDNESS RATING: 39.0 ROCKWELL C MAXIMUM
•
NUT STYLE: SLOTTED, HEXAGON
TECHNICAL CHARACTERISTICS
THREAD SERIESM
HARDNESS RATING39.0 ROCKWELL C MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, SLOTTED
NUT STYLESLOTTED, HEXAGON
END ITEM IDENTIFICATIONM777E1, 155MM HOWITZER 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 1
777.24.204Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11581624?
11581624 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 11581624?
There is 1 known substitute for 11581624: 777.24.204. Substitute compatibility should be verified for your specific system.
What is the NSN for 11581624?
11581624 is cataloged in the U.S. Government catalog under NSN 5310-01-528-9347. 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.