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PRD51 ✓ 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 OVERALL, surface_finish: 63.0 MICROINCHES OVERALL, first_end_style: CHAMFERED, pin_overall_length: 2.463 INCHES MINIMUM AND 2.473 INCHES MAXIMUM IN, pin_overall_diameter: 0.2430 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN, first_end_taper_angle: 45.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-832-7883, 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
PRD51
NSN: 5315-00-832-7883
FSC: 5315
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
surface_finish63.0 MICROINCHES OVERALL
first_end_styleCHAMFERED
pin_overall_length2.463 INCHES MINIMUM AND 2.473 INCHES MAXIMUM IN
pin_overall_diameter0.2430 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-832-7883
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PRD51 · 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
•
PIN OVERALL DIAMETER: 0.2430 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
PIN OVERALL LENGTH: 2.463 INCHES MINIMUM AND 2.473 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER LENGTH: 0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL DIAMETER0.2430 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
PIN OVERALL LENGTH2.463 INCHES MINIMUM AND 2.473 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
FIRST END TAPER LENGTH0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SURFACE FINISH63.0 MICROINCHES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
918 22Interchangeable
interchangeable cross-reference
interchangeable
2012-T 22Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
7040500Interchangeable
interchangeable cross-reference
interchangeable
821C-303Interchangeable
interchangeable cross-reference
interchangeable
INVOLUTE 30-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PRD51?
PRD51 is a PIN,STRAIGHT,HEADLESS.
What parts can replace PRD51?
There are 16 known substitutes for PRD51: 918 22, 2012-T 22, 1340 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PRD51?
PRD51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-832-7883. 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