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5820259 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5820259: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include overall_length: 1.005 INCHES NOMINAL1.005 INCHES NOMINAL1.005 INCHES NOMINAL IN, undercut_width: 0.030 INCHES NOMINAL0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN, first_end_style: SQUARESQUARESQUARE, effective_length: 0.555 INCHES NOMINAL0.555 INCHES NOMINAL0.555 INCHES NOMINAL IN, style_designator: GROOVEGROOVEGROOVE, first_end_location: BOTH ENDSBOTH ENDSBOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-331-6844, 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
5820259
NSN: 5315-01-331-6844
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter0.3100 INCHES MINIMUM AND 0.3100 INCHES MINIMUM AND 0.3100 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM0.3105 INCHES MAXIMUM0.3105 INCHES MAXIMUM IN
overall_length1.005 INCHES NOMINAL1.005 INCHES NOMINAL1.005 INCHES NOMINAL IN
undercut_width0.030 INCHES NOMINAL0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
first_end_styleSQUARESQUARESQUARE
effective_length0.555 INCHES NOMINAL0.555 INCHES NOMINAL0.555 INCHES NOMINAL IN
style_designatorGROOVEGROOVEGROOVE
undercut_diameter0.200 INCHES MINIMUM AND 0.200 INCHES MINIMUM AND 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM IN
first_end_locationBOTH ENDSBOTH ENDSBOTH ENDS
second_undercut_width0.030 INCHES NOMINAL0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICALIDENTICALIDENTICAL
NSN5315-01-331-6844
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5820259 · 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: 0.030 INCHES NOMINAL0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.200 INCHES MINIMUM AND 0.200 INCHES MINIMUM AND 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDSBOTH ENDSBOTH ENDS
•
FIRST END STYLE: SQUARESQUARESQUARE
•
STYLE DESIGNATOR: GROOVEGROOVEGROOVE
•
DIAMETER: 0.3100 INCHES MINIMUM AND 0.3100 INCHES MINIMUM AND 0.3100 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM0.3105 INCHES MAXIMUM0.3105 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICALIDENTICALIDENTICAL
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.030 INCHES NOMINAL0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
UNDERCUT DIAMETER0.200 INCHES MINIMUM AND 0.200 INCHES MINIMUM AND 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDSBOTH ENDSBOTH ENDS
FIRST END STYLESQUARESQUARESQUARE
STYLE DESIGNATORGROOVEGROOVEGROOVE
DIAMETER0.3100 INCHES MINIMUM AND 0.3100 INCHES MINIMUM AND 0.3100 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM0.3105 INCHES MAXIMUM0.3105 INCHES MAXIMUM IN
OVERALL LENGTH1.005 INCHES NOMINAL1.005 INCHES NOMINAL1.005 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICALIDENTICALIDENTICAL
EFFECTIVE LENGTH0.555 INCHES NOMINAL0.555 INCHES NOMINAL0.555 INCHES NOMINAL IN
SECOND UNDERCUT WIDTH0.030 INCHES NOMINAL0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5820259?
5820259 is a PIN,GROOVED,HEADLESS.
What is the NSN for 5820259?
5820259 is cataloged in the U.S. Government catalog under NSN 5315-01-331-6844. 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.