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PartsTable / COMPONENT / 119-1623
119-1623 ✓ 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 special_features: NHA IS WINCH CASE/COVERS, closed_inside_diameter: 1.750 INCHES NOMINAL IN, end_item_identification: 3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80, part_name_assigned_by_controlling_agency: LOCKWASHER (1 3/4). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-547-9025, 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
119-1623
NSN: 5310-01-547-9025
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresNHA IS WINCH CASE/COVERS
closed_inside_diameter1.750 INCHES NOMINAL IN
end_item_identification3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80
part_name_assigned_by_controlling_agencyLOCKWASHER (1 3/4)
NSN5310-01-547-9025
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 119-1623 · 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
•
CLOSED INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCKWASHER (1 3/4)
END ITEM IDENTIFICATION3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80
SPECIAL FEATURESNHA IS WINCH CASE/COVERS
CLOSED INSIDE DIAMETER1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
144EX29Interchangeable
interchangeable cross-reference
interchangeable
665Interchangeable
interchangeable cross-reference
interchangeable
2CR440Interchangeable
interchangeable cross-reference
interchangeable
16409SInterchangeable
interchangeable cross-reference
interchangeable
R20932Interchangeable
interchangeable cross-reference
interchangeable
A782Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 119-1623?
119-1623 is a WASHER,LOCK.
What parts can replace 119-1623?
There are 10 known substitutes for 119-1623: 144EX29, 665, 2CR440 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 119-1623?
119-1623 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-547-9025. 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