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5641-5 ✓ Verified by PartsTable
Bestway · 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

- Aboveground swimming pool kit<br>- Set-up is as easy as 1-2-3<br>- Installation usually takes approximately 20 minutes with 2-3 people excluding earthworks and filling.<br>- Dimensions-Capacities 90%: 6,473L/1,710gal.<br>- Contents: One pool, repair patch<br>- EN16582-1; EN16582-3 This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-075-1104, 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
5641-5
NSN: 5315-00-075-1104
FSC: 5315
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
end_item_identificationACFT SHOCK STRUT
general_characteristics_item_descriptionMATERIAL IS ALUMINUM ALLOY,QQ-A-267; HEAT TREAT PER MIL-H-6875; 4.830 INCHES MINIMUM,4.840 INCHES MAXIMUM OUTSIDE DIAMETER IN
NSN5315-00-075-1104
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5641-5 · Bestway ⚠ 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 3
5641-5Interchangeable
interchangeable cross-reference
interchangeable
9619Interchangeable
interchangeable cross-reference
interchangeable
5641Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5641-5?
5641-5 is a WASHER,SPECIAL manufactured by Bestway.
What parts can replace 5641-5?
There are 3 known substitutes for 5641-5: 5641-5, 9619, 5641. Substitute compatibility should be verified for your specific system.
What is the NSN for 5641-5?
5641-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-075-1104. 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