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12301727 ✓ 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. Key specifications include material: STEEL OVERALL, hole_diameter: 0.228 INCHES MINIMUM IN, outside_diameter: 0.450 INCHES MINIMUM IN, end_item_identification: 2350-01-619-5649. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-676-4205, 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
12301727
NSN: 5310-01-676-4205
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.228 INCHES MINIMUM IN
outside_diameter0.450 INCHES MINIMUM IN
end_item_identification2350-01-619-5649
NSN5310-01-676-4205
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12301727 · 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
•
OUTSIDE DIAMETER: 0.450 INCHES MINIMUM IN
•
HOLE DIAMETER: 0.228 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.450 INCHES MINIMUM IN
HOLE DIAMETER0.228 INCHES MINIMUM IN
END ITEM IDENTIFICATION2350-01-619-5649
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3696440190Interchangeable
interchangeable cross-reference
interchangeable
5340PL1691020Interchangeable
interchangeable cross-reference
interchangeable
JM44LC33WD5Interchangeable
interchangeable cross-reference
interchangeable
D4524-5557-1Interchangeable
interchangeable cross-reference
interchangeable
G25P7468Interchangeable
interchangeable cross-reference
interchangeable
373MS023P001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12301727?
12301727 is a WASHER,LOCK.
What parts can replace 12301727?
There are 9 known substitutes for 12301727: 3696440190, 5340PL1691020, JM44LC33WD5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12301727?
12301727 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-676-4205. 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