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520863H — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

520863H: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.630 INCHES NOMINAL IN, material: STEEL COMP W108 AND STEEL COMP W109 OR STEEL COMP W110 OVERALL, undercut_width: 0.160 INCHES NOMINAL IN, first_end_style: CHAMFERED, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL, effective_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-141-6337, 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
520863H
NSN: 5315-00-141-6337
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
diameter0.630 INCHES NOMINAL IN
materialSTEEL COMP W108 AND STEEL COMP W109 OR STEEL COMP W110 OVERALL
undercut_width0.160 INCHES NOMINAL IN
first_end_styleCHAMFERED
hardness_rating60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
effective_length1.250 INCHES NOMINAL IN
style_designatorGROOVE
undercut_diameter0.590 INCHES NOMINAL IN
first_end_locationBOTH ENDS
first_end_taper_angle15.0 DEGREES NOMINAL
first_end_taper_length0.060 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-141-6337
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 520863H · 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
•
UNDERCUT WIDTH: 0.160 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.060 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.590 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
•
DIAMETER: 0.630 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.160 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.060 INCHES NOMINAL IN
UNDERCUT DIAMETER0.590 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLECHAMFERED
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
DIAMETER0.630 INCHES NOMINAL IN
FIRST END TAPER ANGLE15.0 DEGREES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
5315001416337Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 520863H?
520863H is a PIN,GROOVED,HEADLESS.
What parts can replace 520863H?
There is 1 known substitute for 520863H: 5315001416337. Substitute compatibility should be verified for your specific system.
What is the NSN for 520863H?
520863H is cataloged in the U.S. Government catalog under NSN 5315-00-141-6337. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.