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778-9066-002 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

778-9066-002: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include height: 0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM0.024 INCHES MAXIMUM IN, material: COPPER ALLOY 360 OVERALL, head_style: FLATFLAT, first_end_style: SQUARESQUARE, style_designator: SHOULDER, first_step_length: 0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM0.024 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-049-0775, 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
778-9066-002
NSN: 5315-01-049-0775
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
height0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM0.024 INCHES MAXIMUM IN
materialCOPPER ALLOY 360 OVERALL
head_styleFLATFLAT
first_end_styleSQUARESQUARE
style_designatorSHOULDER
first_step_length0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM0.024 INCHES MAXIMUM IN
pin_head_diameter0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
surface_treatmentTIN OVERALL
under_head_length0.086 INCHES MINIMUM AND 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM0.094 INCHES MAXIMUM IN
second_step_length0.070 INCHES NOMINAL0.070 INCHES NOMINAL IN
first_step_diameter0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
second_step_diameter0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM0.073 INCHES MAXIMUM IN
NSN5315-01-049-0775
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 778-9066-002 · 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
•
FIRST STEP DIAMETER: 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.086 INCHES MINIMUM AND 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM0.094 INCHES MAXIMUM IN
•
FIRST END STYLE: SQUARESQUARE
•
SECOND STEP LENGTH: 0.070 INCHES NOMINAL0.070 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
PIN HEAD DIAMETER: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
•
HEAD STYLE: FLATFLAT
•
SECOND STEP DIAMETER: 0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FIRST STEP DIAMETER0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.086 INCHES MINIMUM AND 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM0.094 INCHES MAXIMUM IN
FIRST END STYLESQUARESQUARE
SECOND STEP LENGTH0.070 INCHES NOMINAL0.070 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
PIN HEAD DIAMETER0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
HEAD STYLEFLATFLAT
SECOND STEP DIAMETER0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM0.073 INCHES MAXIMUM IN
HEIGHT0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM0.024 INCHES MAXIMUM IN
FIRST STEP LENGTH0.016 INCHES MINIMUM AND 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM0.024 INCHES MAXIMUM 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 778-9066-002?
778-9066-002 is a PIN,SHOULDER,HEADED.
What is the NSN for 778-9066-002?
778-9066-002 is cataloged in the U.S. Government catalog under NSN 5315-01-049-0775. 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.