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PartsTable / COMPONENT / 52-3-89
52-3-89 ✓ 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

The RESTRICTOR,FLUID FLOW is a Bestway industrial component. Key specifications include end_item_identification: JZN MARS CLASS AFS.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-164-5269, 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
52-3-89
NSN: 5315-00-164-5269
FSC: 5315
CAGE: 84256 — AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC (USA)
SPECIFICATIONS
end_item_identificationJZN MARS CLASS AFS.
NSN5315-00-164-5269
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 52-3-89 · 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
•
GRIP LENGTH: 2.020 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN
•
DETENT QUANTITY: 2
•
ACTUATION METHOD: PUSH BUTTON
•
SHANK DIAMETER: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303SE DETENT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 303SE FED SPEC SINGLE MATERIAL RESPONSE DETENT
TECHNICAL CHARACTERISTICS (FLIS)
GRIP LENGTH2.020 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN
DETENT QUANTITY2
ACTUATION METHODPUSH BUTTON
SHANK DIAMETER0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303SE DETENT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303SE FED SPEC SINGLE MATERIAL RESPONSE DETENT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303SE FED SPEC SINGLE MATERIAL RESPONSE HEAD
MATERIALSTEEL COMP 630 SHANK
MATERIALSTEEL COMP 303SE HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE SHANK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
52-389Interchangeable
interchangeable cross-reference
interchangeable
134039Interchangeable
interchangeable cross-reference
interchangeable
009.304.0003Interchangeable
interchangeable cross-reference
interchangeable
ABC5849Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52-3-89?
52-3-89 is a RESTRICTOR,FLUID FLOW manufactured by Bestway.
What parts can replace 52-3-89?
There are 4 known substitutes for 52-3-89: 52-389, 134039, 009.304.0003 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52-3-89?
52-3-89 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-164-5269. 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