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PartsTable / COMPONENT / PJ105
PJ105 ✓ 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,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.125 INCHES NOMINAL IN, diameter: 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN, material: STEEL COMP 1335 OVERALL, head_style: FLAT, undercut_width: 0.094 INCHES NOMINAL IN, first_end_style: SQUARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-366-6258, 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
PJ105
NSN: 5315-00-366-6258
FSC: 5315
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
height0.125 INCHES NOMINAL IN
diameter0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN
materialSTEEL COMP 1335 OVERALL
head_styleFLAT
undercut_width0.094 INCHES NOMINAL IN
first_end_styleSQUARE
special_featuresNOTCH CUT ACROSS UNDERCUT
style_designatorGROOVE
pin_head_diameter1.000 INCHES NOMINAL IN
under_head_length2.500 INCHES NOMINAL IN
undercut_diameter0.719 INCHES NOMINAL IN
NSN5315-00-366-6258
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PJ105 · 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
•
HEIGHT: 0.125 INCHES NOMINAL IN
•
PIN HEAD DIAMETER: 1.000 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
UNDER HEAD LENGTH: 2.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
•
DIAMETER: 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN
•
UNDERCUT WIDTH: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.125 INCHES NOMINAL IN
PIN HEAD DIAMETER1.000 INCHES NOMINAL IN
FIRST END STYLESQUARE
SPECIAL FEATURESNOTCH CUT ACROSS UNDERCUT
UNDER HEAD LENGTH2.500 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
DIAMETER0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN
UNDERCUT WIDTH0.094 INCHES NOMINAL IN
HEAD STYLEFLAT
UNDERCUT DIAMETER0.719 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
30815Interchangeable
interchangeable cross-reference
interchangeable
185510Interchangeable
interchangeable cross-reference
interchangeable
301Interchangeable
interchangeable cross-reference
interchangeable
56240Interchangeable
interchangeable cross-reference
interchangeable
P-3749-1Interchangeable
interchangeable cross-reference
interchangeable
PJ105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PJ105?
PJ105 is a PIN,GROOVED,HEADED.
What parts can replace PJ105?
There are 8 known substitutes for PJ105: 30815, 185510, 301 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PJ105?
PJ105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-366-6258. 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