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3-73105-31 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3-73105-31: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, first_end_style: CHAMFERED, surface_treatment: ANODIZE OVERALL, pin_overall_length: 2.062 INCHES NOMINAL IN, first_hole_diameter: 0.070 INCHES NOMINAL IN, pin_overall_diameter: 0.1860 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-945-8317, 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
3-73105-31
NSN: 5315-00-945-8317
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
first_end_styleCHAMFERED
surface_treatmentANODIZE OVERALL
pin_overall_length2.062 INCHES NOMINAL IN
first_hole_diameter0.070 INCHES NOMINAL IN
pin_overall_diameter0.1860 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
second_hole_diameter0.070 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.030 INCHES NOMINAL IN
hole_arrangement_styleBOTH END DRILLED
second_end_relationship_with_first_endIDENTICAL
center_to_center_distance_between_holes1.880 INCHES NOMINAL IN
NSN5315-00-945-8317
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3-73105-31 · 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 END TAPER LENGTH: 0.030 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.070 INCHES NOMINAL IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.1860 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 2.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.030 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLEBOTH END DRILLED
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.070 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.1860 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
PIN OVERALL LENGTH2.062 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SECOND HOLE DIAMETER0.070 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-73105-31?
3-73105-31 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 3-73105-31?
3-73105-31 is cataloged in the U.S. Government catalog under NSN 5315-00-945-8317. 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.