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1324640 — Technical Data Sheet
✓ 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 WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-549-7765, 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
1324640
NSN: 5310-01-549-7765 FSC: 5310 CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number 1324640 NSN 5310-01-549-7765
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED
Hex NUT
CROSS-SECTION
WASHER OD: —
SIZE: —
MATERIAL: —
PN: 1324640 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40385 Interchangeable interchangeable cross-reference
interchangeable
7047720 Interchangeable interchangeable cross-reference
interchangeable
52610 Interchangeable interchangeable cross-reference
interchangeable
B677 Interchangeable interchangeable cross-reference
interchangeable
42456 Interchangeable interchangeable cross-reference
interchangeable
MIL-S-19500/454 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1324640?
1324640 is a WASHER,LOCK.
What parts can replace 1324640?
There are 14 known substitutes for 1324640: 40385, 7047720, 52610 and 11 more. Substitute compatibility should be verified for your specific system.
Is 1324640 still available?
1324640 is currently cancelled.
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