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Technical Data Sheet
PartsTable / COMPONENT / 7-2522-1
7-2522-1 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1215 OVERALL, first_end_style: COUNTERBORED W/O THRU HOLE, second_end_style: SLOTTED, surface_treatment: CHROMIUM AND NICKEL OVERALL, pin_overall_length: 1.849 INCHES NOMINAL IN, pin_overall_diameter: 0.7160 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-483-0265, 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
7-2522-1
NSN: 5315-01-483-0265
FSC: 5315
CAGE: 96736 — AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 1215 OVERALL
first_end_styleCOUNTERBORED W/O THRU HOLE
second_end_styleSLOTTED
surface_treatmentCHROMIUM AND NICKEL OVERALL
pin_overall_length1.849 INCHES NOMINAL IN
pin_overall_diameter0.7160 INCHES NOMINAL IN
second_end_slot_depth1.459 INCHES NOMINAL IN
second_end_slot_width0.100 INCHES NOMINAL IN
end_item_identificationAIRCRAFT, HORNET, F/A-18
second_end_outer_radius0.008 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
first_end_counterbore_depth0.390 INCHES NOMINAL IN
first_end_counterbore_diameter0.529 INCHES NOMINAL IN
NSN5315-01-483-0265
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7-2522-1 · 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
•
SECOND END SLOT DEPTH: 1.459 INCHES NOMINAL IN
•
FIRST END COUNTERBORE DIAMETER: 0.529 INCHES NOMINAL IN
•
SECOND END SLOT WIDTH: 0.100 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE AND QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END COUNTERBORE DEPTH: 0.390 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END SLOT DEPTH1.459 INCHES NOMINAL IN
FIRST END COUNTERBORE DIAMETER0.529 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT, HORNET, F/A-18
SECOND END SLOT WIDTH0.100 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE AND QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END COUNTERBORE DEPTH0.390 INCHES NOMINAL IN
SPECIAL FEATURESSTYLE VERY UNIQUE;CHAMFERED TIP IS CUT AT A 30 DEGREE ANGLE AND THE END IS CUT AT .100 DIAMER WITH A SLOT ALL THE WAY THROUGH THE ITEM UNTIL IT MEETS THE OPEN END;OPEN END HAS A THRU SLOT 0.041 X .188, EXTERNALLY THREADED END .500 UN 3A A
PIN OVERALL LENGTH1.849 INCHES NOMINAL IN
SECOND END OUTER RADIUS0.008 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
72552Interchangeable
interchangeable cross-reference
interchangeable
72522Interchangeable
interchangeable cross-reference
interchangeable
072522Interchangeable
interchangeable cross-reference
interchangeable
32008RInterchangeable
interchangeable cross-reference
interchangeable
1607Interchangeable
interchangeable cross-reference
interchangeable
878372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-2522-1?
7-2522-1 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 7-2522-1?
There are 7 known substitutes for 7-2522-1: 72552, 72522, 072522 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-2522-1?
7-2522-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-483-0265. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026