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687-5519-001 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

687-5519-001: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN, diameter: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, head_style: FLATFLAT, undercut_width: 0.012 INCHES NOMINAL0.012 INCHES NOMINAL IN, first_end_style: SQUARESQUARE, effective_length: 0.690 INCHES NOMINAL0.690 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-372-8421, 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
687-5519-001
NSN: 5315-01-372-8421
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
height0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN
diameter0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
head_styleFLATFLAT
undercut_width0.012 INCHES NOMINAL0.012 INCHES NOMINAL IN
first_end_styleSQUARESQUARE
effective_length0.690 INCHES NOMINAL0.690 INCHES NOMINAL IN
style_designatorGROOVEGROOVE
pin_head_diameter0.187 INCHES NOMINAL0.187 INCHES NOMINAL IN
under_head_length0.812 INCHES NOMINAL0.812 INCHES NOMINAL IN
undercut_diameter0.117 INCHES NOMINAL0.117 INCHES NOMINAL IN
NSN5315-01-372-8421
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 687-5519-001 · 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: 0.012 INCHES NOMINAL0.012 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.117 INCHES NOMINAL0.117 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 0.812 INCHES NOMINAL0.812 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARESQUARE
•
STYLE DESIGNATOR: GROOVEGROOVE
•
PIN HEAD DIAMETER: 0.187 INCHES NOMINAL0.187 INCHES NOMINAL IN
•
DIAMETER: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
EFFECTIVE LENGTH: 0.690 INCHES NOMINAL0.690 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.012 INCHES NOMINAL0.012 INCHES NOMINAL IN
UNDERCUT DIAMETER0.117 INCHES NOMINAL0.117 INCHES NOMINAL IN
UNDER HEAD LENGTH0.812 INCHES NOMINAL0.812 INCHES NOMINAL IN
FIRST END STYLESQUARESQUARE
STYLE DESIGNATORGROOVEGROOVE
PIN HEAD DIAMETER0.187 INCHES NOMINAL0.187 INCHES NOMINAL IN
DIAMETER0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
EFFECTIVE LENGTH0.690 INCHES NOMINAL0.690 INCHES NOMINAL IN
HEAD STYLEFLATFLAT
HEIGHT0.062 INCHES NOMINAL0.062 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 687-5519-001?
687-5519-001 is a PIN,GROOVED,HEADED.
What is the NSN for 687-5519-001?
687-5519-001 is cataloged in the U.S. Government catalog under NSN 5315-01-372-8421. 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.