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PartsTable / COMPONENT / PC78568-107
PC78568-107 ✓ 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,HEADED is a the manufacturer industrial component. Key specifications include height: 0.017 INCHES NOMINAL IN, diameter: 0.028 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, head_style: FLAT TOP ELEVATOR, style_designator: STRAIGHT, pin_chamfer_angle: 30.0 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 5315-01-031-5198, 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
PC78568-107
NSN: 5315-01-031-5198
FSC: 5315
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
height0.017 INCHES NOMINAL IN
diameter0.028 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
head_styleFLAT TOP ELEVATOR
style_designatorSTRAIGHT
pin_chamfer_angle30.0 DEGREES NOMINAL
pin_head_diameter0.049 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
under_head_length0.133 INCHES NOMINAL IN
NSN5315-01-031-5198
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PC78568-107 · 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: STRAIGHT
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PIN CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
UNDER HEAD LENGTH: 0.133 INCHES NOMINAL IN
•
PIN HEAD DIAMETER: 0.049 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
DIAMETER: 0.028 INCHES NOMINAL IN
•
HEIGHT: 0.017 INCHES NOMINAL IN
•
HEAD STYLE: FLAT TOP ELEVATOR
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT
SURFACE TREATMENTPASSIVATE OVERALL
PIN CHAMFER ANGLE30.0 DEGREES NOMINAL
UNDER HEAD LENGTH0.133 INCHES NOMINAL IN
PIN HEAD DIAMETER0.049 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
DIAMETER0.028 INCHES NOMINAL IN
HEIGHT0.017 INCHES NOMINAL IN
HEAD STYLEFLAT TOP ELEVATOR
MATERIALSTEEL COMP 303 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
73-81985-2Interchangeable
interchangeable cross-reference
interchangeable
2597-12Interchangeable
interchangeable cross-reference
interchangeable
1JA2597H12Interchangeable
interchangeable cross-reference
interchangeable
102042Interchangeable
interchangeable cross-reference
interchangeable
P563Interchangeable
interchangeable cross-reference
interchangeable
160662(MODEL P590)Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC78568-107?
PC78568-107 is a PIN,STRAIGHT,HEADED.
What parts can replace PC78568-107?
There are 11 known substitutes for PC78568-107: 73-81985-2, 2597-12, 1JA2597H12 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PC78568-107?
PC78568-107 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-031-5198. 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