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Technical Data Sheet
PartsTable / COMPONENT / 11780086
11780086 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,GEAR SHAFT is a the manufacturer industrial component. Key specifications include end_item_identification: 1270010724555 HEADS UP DISPLAY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-070-3261, 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
11780086
NSN: 5310-01-070-3261
FSC: 5310
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
end_item_identification1270010724555 HEADS UP DISPLAY
NSN5310-01-070-3261
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11780086 · 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 ALLOY 2024-T351; 0.375 IN.L; SMALLER END 0.280 IN.DIA. X 0.245 IN.L. WITH MEDIUM KNURL 0.180 IN. FROM END; DRILLED THRU HOLE 0.140 IN.DIA; LARGER END 0.280 IN.DIA. X 90 DEGREES COUNTERSUNK; LARGER END THREADED LENGTH 0.130 IN. 0.375-24 UNF-2A A
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY 2024-T351; 0.375 IN.L; SMALLER END 0.280 IN.DIA. X 0.245 IN.L. WITH MEDIUM KNURL 0.180 IN. FROM END; DRILLED THRU HOLE 0.140 IN.DIA; LARGER END 0.280 IN.DIA. X 90 DEGREES COUNTERSUNK; LARGER END THREADED LENGTH 0.130 IN. 0.375-24 UNF-2A A
END ITEM IDENTIFICATION1270010724555 HEADS UP DISPLAY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
21858Interchangeable
interchangeable cross-reference
interchangeable
42336Interchangeable
interchangeable cross-reference
interchangeable
42336-1Interchangeable
interchangeable cross-reference
interchangeable
42336-1AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11780086?
11780086 is a NUT,GEAR SHAFT.
What parts can replace 11780086?
There are 4 known substitutes for 11780086: 21858, 42336, 42336-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11780086?
11780086 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-070-3261. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026