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PartsTable / COMPONENT / 5646-1
5646-1 ✓ 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>- Installation usually takes approximately 30 minutes with 3 people excluding earthworks and filling.<br>- Dimensions-Capacities 90%: 14,812L/3,913gal.<br>- Contents: One pool, filter pump, ladder, pool cover, ground cloth, repair patch<br>- Flowclear™ Filter Pump, Pump's water flow rate (pump capacity): 3,028 L/h (800 gal./h), Integrated pool system water flow rate (system flow rate): 2,195 L/h (580 gal./h)<br>- CE, TÜV Rheinland, 220-240V ̴ , 32W<br>- Pool Cover, Includes Ropes To Secure Cover, Drain Holes To Prevent Water From Accumulating<br>- Ground Cloth, Provides Extra Protection For The Bottom Of The Pool<br>- Pool Ladder 1.22m (48""), Rust-resistant metal frame, Heavy-duty plastic steps <br>- EN16582-1; EN16582-3 & EN16713-1; EN16713-2; EN16713-3 This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-264-1300, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
5646-1
NSN: 5310-00-264-1300
FSC: 5310
CAGE: 63327 — MCNALLY INDUSTRIES LLC DIV NORTHERN PUMP DIVISION (USA)
SPECIFICATIONS
basic_ingredientMINERAL OIL-CALCIUM SOAP
minimum_dropping_point170.0 FAHRENHEIT DEGF
quantity_within_each_unit_package1.750 OUNCES, AVOIRDUPOIS OZ
reference_number_differentiating_characteristicsAGUC,AGXZ
NSN5310-00-264-1300
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5646-1 · 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
KEY FEATURES
•
NUT HEIGHT: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
•
NUT STYLE: SLOTTED, HEXAGON
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP 1115 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
NUT STYLESLOTTED, HEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
NOMINAL THREAD SIZE0.500 INCHES IN
BEARING SURFACE TYPEWASHER FACED
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1115 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
56461Interchangeable
interchangeable cross-reference
interchangeable
LUBRIPLATE105VInterchangeable
interchangeable cross-reference
interchangeable
03492Interchangeable
interchangeable cross-reference
interchangeable
53264R1 PART 56461Interchangeable
interchangeable cross-reference
interchangeable
4500-10F548 PIEInterchangeable
Same NIIN cross-reference
interchangeable
4500-10F548 PIECE 24Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5646-1?
5646-1 is a PIN,LOCK manufactured by Bestway.
What parts can replace 5646-1?
There are 6 known substitutes for 5646-1: 56461, LUBRIPLATE105V, 03492 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5646-1?
5646-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-264-1300. 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