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1259H34 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1259H34: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.563 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN, overall_length: 5.688 INCHES NOMINAL IN, shank_diameter: 0.995 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN, first_end_style: CHAMFERED, shoulder_diameter: 1.368 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-353-2452, 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
1259H34
NSN: 5315-00-353-2452
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.563 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN
overall_length5.688 INCHES NOMINAL IN
shank_diameter0.995 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
first_end_styleCHAMFERED
shoulder_diameter1.368 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
surface_treatmentDICHROMATE OVERALL
first_end_locationBOTH ENDS
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.062 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-353-2452
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1259H34 · 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
•
SHANK DIAMETER: 0.995 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.062 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 0.563 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.995 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.062 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLECHAMFERED
SHANK LENGTH0.563 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN
OVERALL LENGTH5.688 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SHOULDER DIAMETER1.368 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
SURFACE TREATMENTDICHROMATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
23662Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1259H34?
1259H34 is a PIN,SHOULDER,HEADLESS.
What parts can replace 1259H34?
There is 1 known substitute for 1259H34: 23662. Substitute compatibility should be verified for your specific system.
What is the NSN for 1259H34?
1259H34 is cataloged in the U.S. Government catalog under NSN 5315-00-353-2452. 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.