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PartsTable / COMPONENT / 201572H
201572H ✓ 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,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: KNURLED, nut_diameter: 0.506 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.206 INCHES NOMINAL IN, thread_series: UNS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-359-8877, 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
201572H
NSN: 5310-00-359-8877
FSC: 5310
CAGE: 77948 — SINGER CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleKNURLED
nut_diameter0.506 INCHES NOMINAL IN
thread_class2B
nut_thickness0.206 INCHES NOMINAL IN
thread_seriesUNS
thread_directionRIGHT-HAND
nominal_thread_size0.216 INCHES IN
thread_quantity_per_inch36
NSN5310-00-359-8877
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 201572H · 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
•
THREAD CLASS: 2B
•
NUT DIAMETER: 0.506 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.216 INCHES IN
•
THREAD SERIES: UNS
•
THREAD QUANTITY PER INCH: 36
•
MATERIAL: STEEL OVERALL
•
NUT THICKNESS: 0.206 INCHES NOMINAL IN
•
NUT STYLE: KNURLED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
NUT DIAMETER0.506 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.216 INCHES IN
THREAD SERIESUNS
THREAD QUANTITY PER INCH36
MATERIALSTEEL OVERALL
NUT THICKNESS0.206 INCHES NOMINAL IN
NUT STYLEKNURLED
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
855587Interchangeable
interchangeable cross-reference
interchangeable
201572Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 201572H?
201572H is a NUT,PLAIN,KNURLED.
What parts can replace 201572H?
There are 2 known substitutes for 201572H: 855587, 201572. Substitute compatibility should be verified for your specific system.
What is the NSN for 201572H?
201572H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-359-8877. 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