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PartsTable / COMPONENT / 52-C-1526-1
52-C-1526-1 ✓ 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 PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include height: 0.500 INCHES NOMINAL IN, head_style: SQUARE, first_end_style: CHAMFERED, style_designator: SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-689-8121, 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-C-1526-1
NSN: 5315-00-689-8121
FSC: 5315
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
height0.500 INCHES NOMINAL IN
head_styleSQUARE
first_end_styleCHAMFERED
style_designatorSHOULDER
NSN5315-00-689-8121
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 52-C-1526-1 · 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
•
STYLE DESIGNATOR: SHOULDER
•
HEIGHT: 0.500 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
HEAD STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSHOULDER
HEIGHT0.500 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
HEAD STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
RP680-1Interchangeable
interchangeable cross-reference
interchangeable
PS-685-AInterchangeable
interchangeable cross-reference
interchangeable
GC680-1Interchangeable
interchangeable cross-reference
interchangeable
PS100Interchangeable
interchangeable cross-reference
interchangeable
92122Interchangeable
interchangeable cross-reference
interchangeable
378969Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52-C-1526-1?
52-C-1526-1 is a PIN,SHOULDER,HEADED.
What parts can replace 52-C-1526-1?
There are 13 known substitutes for 52-C-1526-1: RP680-1, PS-685-A, GC680-1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52-C-1526-1?
52-C-1526-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-689-8121. 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