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GG39 ✓ 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,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.873 INCHES NOMINAL IN, material: STEEL OVERALL, overall_length: 3.000 INCHES NOMINAL IN, undercut_width: 0.250 INCHES NOMINAL IN, first_end_style: CHAMFERED, effective_length: 2.350 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 5315-01-057-2840, 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
GG39
NSN: 5315-01-057-2840
FSC: 5315
CAGE: 28047 — HEIN WERNER CORP (USA)
SPECIFICATIONS
diameter0.873 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_length3.000 INCHES NOMINAL IN
undercut_width0.250 INCHES NOMINAL IN
first_end_styleCHAMFERED
effective_length2.350 INCHES NOMINAL IN
second_end_styleCHAMFERED
special_features0.250 IN. DIA BY 0.281 IN. LG PROTRUSION ON GROOVE END IN
style_designatorGROOVE
undercut_diameter0.750 INCHES NOMINAL IN
first_end_locationGROOVED END
first_end_taper_angle45.0 DEGREES NOMINAL
NSN5315-01-057-2840
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GG39 · 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
•
MATERIAL: STEEL OVERALL
•
FIRST END TAPER LENGTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
•
SECOND END STYLE: CHAMFERED
•
FIRST END STYLE: CHAMFERED
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END TAPER LENGTH: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
FIRST END TAPER LENGTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
SECOND END STYLECHAMFERED
FIRST END STYLECHAMFERED
SPECIAL FEATURES0.250 IN. DIA BY 0.281 IN. LG PROTRUSION ON GROOVE END IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END TAPER LENGTH0.062 INCHES NOMINAL IN
DIAMETER0.873 INCHES NOMINAL IN
UNDERCUT WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
8487Interchangeable
interchangeable cross-reference
interchangeable
17975Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GG39?
GG39 is a PIN,GROOVED,HEADLESS.
What parts can replace GG39?
There are 2 known substitutes for GG39: 8487, 17975. Substitute compatibility should be verified for your specific system.
What is the NSN for GG39?
GG39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-057-2840. 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