PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1783N2
1783N2 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 5.000 INCHES NOMINAL IN, overall_height: 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN, outside_diameter: 5.750 INCHES NOMINAL IN, material_thickness: 0.098 INCHES NOMINAL IN, end_item_identification: W/S: LIGHTER AMPHIBIOUS SP, 60-TON, LARC-LX. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-740-9652, 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
1783N2
NSN: 5310-00-740-9652
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter5.000 INCHES NOMINAL IN
overall_height0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
outside_diameter5.750 INCHES NOMINAL IN
material_thickness0.098 INCHES NOMINAL IN
end_item_identificationW/S: LIGHTER AMPHIBIOUS SP, 60-TON, LARC-LX
NSN5310-00-740-9652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1783N2 · 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
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 5.000 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.098 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S: LIGHTER AMPHIBIOUS SP, 60-TON, LARC-LX
MATERIALSTEEL OVERALL
HOLE DIAMETER5.000 INCHES NOMINAL IN
OUTSIDE DIAMETER5.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.098 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
137339Interchangeable
interchangeable cross-reference
interchangeable
14288Interchangeable
interchangeable cross-reference
interchangeable
14288-1Interchangeable
interchangeable cross-reference
interchangeable
142881-0002Interchangeable
interchangeable cross-reference
interchangeable
609-3400795Interchangeable
interchangeable cross-reference
interchangeable
915586Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1783N2?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1783N2?
1783N2 is a WASHER,SPRING TENSION.
What parts can replace 1783N2?
There are 8 known substitutes for 1783N2: 137339, 14288, 14288-1 and 5 more. Substitute compatibility should be verified for your specific system.
Is 1783N2 still available?
1783N2 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1783N2

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026