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Technical Data Sheet
PartsTable / COMPONENT / 634513
634513 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 1.638 INCHES NOMINAL IN, largest_outside_diameter: 0.372 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 5315-00-044-7104, 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
634513
NSN: 5315-00-044-7104
FSC: 5315
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
overall_length1.638 INCHES NOMINAL IN
largest_outside_diameter0.372 INCHES NOMINAL IN
NSN5315-00-044-7104
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 634513 · 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 RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL DIAMETER: 0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
•
FIRST END TAPER LENGTH: 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 630 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED
•
PIN OVERALL LENGTH: 0.310 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL DIAMETER0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
FIRST END TAPER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
FIRST END TAPER LENGTH0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLECHAMFERED
PIN OVERALL LENGTH0.310 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
271MEJ1Interchangeable
interchangeable cross-reference
interchangeable
634513Interchangeable
interchangeable cross-reference
interchangeable
11620902Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 634513?
634513 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 634513?
There are 3 known substitutes for 634513: 271MEJ1, 634513, 11620902. Substitute compatibility should be verified for your specific system.
What is the NSN for 634513?
634513 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-044-7104. 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