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PartsTable / COMPONENT / W80641 PIECE 213
W80641 PIECE 213 ✓ 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,SPECIAL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRONZE; 3.000 IN. OD; 3.875 IN.

LG; 1.500-4 1/2 ACME INTERNAL THD IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-207-3717, 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
W80641 PIECE 213
NSN: 5310-01-207-3717
FSC: 5310
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRONZE; 3.000 IN. OD; 3.875 IN. LG; 1.500-4 1/2 ACME INTERNAL THD IN
NSN5310-01-207-3717
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W80641 PIECE 213 · 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: BRONZE; 3.000 IN. OD; 3.875 IN. LG; 1.500-4 1/2 ACME INTERNAL THD IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRONZE; 3.000 IN. OD; 3.875 IN. LG; 1.500-4 1/2 ACME INTERNAL THD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10-280Interchangeable
interchangeable cross-reference
interchangeable
1371D22Interchangeable
interchangeable cross-reference
interchangeable
20-10280Interchangeable
interchangeable cross-reference
interchangeable
6061-146Interchangeable
interchangeable cross-reference
interchangeable
7530-700Interchangeable
interchangeable cross-reference
interchangeable
10121089Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W80641 PIECE 213?
W80641 PIECE 213 is a NUT,SPECIAL.
What parts can replace W80641 PIECE 213?
There are 14 known substitutes for W80641 PIECE 213: 10-280, 1371D22, 20-10280 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W80641 PIECE 213?
W80641 PIECE 213 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-207-3717. 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