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DF1502-255 PIECE 139 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DF1502-255 PIECE 139: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 1.190 INCHES NOMINAL IN, first_hole_diameter: 0.141 INCHES NOMINAL IN, pin_overall_diameter: 0.3130 INCHES NOMINAL IN, second_hole_diameter: 0.141 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-433-9981, 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
DF1502-255 PIECE 139
NSN: 5315-01-433-9981
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
first_end_styleCHAMFERED
pin_overall_length1.190 INCHES NOMINAL IN
first_hole_diameter0.141 INCHES NOMINAL IN
pin_overall_diameter0.3130 INCHES NOMINAL IN
second_hole_diameter0.141 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
hole_arrangement_styleBOTH END DRILLED
second_end_taper_angle45.0 DEGREES NOMINAL
end_item_identificationBRIDGE ACCESS TRUNK UPPER HATCH ASSY
material_document_and_classificationQQ-S-763 CL-304,COND-A,FORM-BAR,FIN-B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_holes0.910 INCHES NOMINAL IN
NSN5315-01-433-9981
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DF1502-255 PIECE 139 · 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
•
SECOND END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.141 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 CL-304,COND-A,FORM-BAR,FIN-B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.3130 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 1.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND END TAPER ANGLE45.0 DEGREES NOMINAL
HOLE ARRANGEMENT STYLEBOTH END DRILLED
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.141 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 CL-304,COND-A,FORM-BAR,FIN-B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.3130 INCHES NOMINAL IN
PIN OVERALL LENGTH1.190 INCHES NOMINAL IN
SECOND HOLE DIAMETER0.141 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN HOLES0.910 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 2
DF1502-255 FIND 129Reference document
Same NSN cross-reference
Reference document — Secondary reference
167-6404604 FIND 139Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 DF1502-255 PIECE 139?
DF1502-255 PIECE 139 is a PIN,STRAIGHT,HEADLESS.
What parts can replace DF1502-255 PIECE 139?
There are 2 known substitutes for DF1502-255 PIECE 139: DF1502-255 FIND 129, 167-6404604 FIND 139. Substitute compatibility should be verified for your specific system.
What is the NSN for DF1502-255 PIECE 139?
DF1502-255 PIECE 139 is cataloged in the U.S. Government catalog under NSN 5315-01-433-9981. 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.