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26-0402-12 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

26-0402-12: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL, second_end_style: SQUARE INTERNALLY THREADED, pin_overall_length: 4.291 INCHES MINIMUM AND 4.299 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-415-5176, 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
26-0402-12
NSN: 5315-01-415-5176
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
hardness_rating36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
second_end_styleSQUARE INTERNALLY THREADED
pin_overall_length4.291 INCHES MINIMUM AND 4.299 INCHES MAXIMUM IN
pin_overall_diameter0.7871 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
first_end_taper_angle20.0 DEGREES NOMINAL
first_end_taper_length0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-415-5176
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 26-0402-12 · 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
•
SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
FIRST END TAPER ANGLE: 20.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.7871 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 4.291 INCHES MINIMUM AND 4.299 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
FIRST END TAPER ANGLE20.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.7871 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
PIN OVERALL LENGTH4.291 INCHES MINIMUM AND 4.299 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLESQUARE INTERNALLY THREADED
MATERIALSTEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL
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 26-0402-12?
26-0402-12 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 26-0402-12?
26-0402-12 is cataloged in the U.S. Government catalog under NSN 5315-01-415-5176. 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.