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1859110 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1859110: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, shank_length: 0.540 INCHES NOMINAL IN, overall_length: 1.680 INCHES NOMINAL IN, shank_diameter: 0.250 INCHES NOMINAL IN, undercut_width: 0.120 INCHES NOMINAL IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-592-4832, 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
1859110
NSN: 5315-01-592-4832
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
shank_length0.540 INCHES NOMINAL IN
overall_length1.680 INCHES NOMINAL IN
shank_diameter0.250 INCHES NOMINAL IN
undercut_width0.120 INCHES NOMINAL IN
first_end_styleSQUARE
style_designatorUNDERCUT
shoulder_diameter0.500 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
undercut_diameter0.149 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
first_end_locationTHREADED END
second_shank_length0.870 INCHES NOMINAL IN
NSN5315-01-592-4832
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1859110 · 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
•
SHANK DIAMETER: 0.250 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.312 INCHES NOMINAL IN
•
UNDERCUT WIDTH: 0.120 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.149 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
FIRST END LOCATION: THREADED END
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 0.540 INCHES NOMINAL IN
•
STYLE DESIGNATOR: UNDERCUT
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.250 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.312 INCHES NOMINAL IN
UNDERCUT WIDTH0.120 INCHES NOMINAL IN
UNDERCUT DIAMETER0.149 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
FIRST END LOCATIONTHREADED END
FIRST END STYLESQUARE
SHANK LENGTH0.540 INCHES NOMINAL IN
STYLE DESIGNATORUNDERCUT
OVERALL LENGTH1.680 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
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 1859110?
1859110 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 1859110?
1859110 is cataloged in the U.S. Government catalog under NSN 5315-01-592-4832. This indicates validated use in U.S. government and defense supply chains.
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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.