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12578101 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12578101: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include first_end_style: CHAMFERED W/THRU HOLE, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL, surface_treatment: ZINC ALLOY OVERALL, pin_overall_length: 5.767 INCHES MINIMUM AND 5.827 INCHES MAXIMUM IN, first_hole_diameter: 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN, pin_overall_diameter: 0.745 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-643-5045, 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
12578101
NSN: 5315-01-643-5045
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
first_end_styleCHAMFERED W/THRU HOLE
hardness_rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
surface_treatmentZINC ALLOY OVERALL
pin_overall_length5.767 INCHES MINIMUM AND 5.827 INCHES MAXIMUM IN
first_hole_diameter0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
pin_overall_diameter0.745 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
second_hole_diameter0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
first_end_taper_angle40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
first_end_taper_length0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
hole_arrangement_styleBOTH END DRILLED
end_item_identification2350-01-577-0830
NSN5315-01-643-5045
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12578101 · 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 MINIMUM AND 0.090 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B841, CLASS 1, TYPE B, GRADE 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
FIRST END STYLE: CHAMFERED W/THRU HOLE
•
FIRST HOLE DIAMETER: 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
FIRST END TAPER ANGLE: 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B841, CLASS 1, TYPE B, GRADE 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLEBOTH END DRILLED
FIRST END STYLECHAMFERED W/THRU HOLE
FIRST HOLE DIAMETER0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL
FIRST END TAPER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
PIN OVERALL DIAMETER0.745 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
PIN OVERALL LENGTH5.767 INCHES MINIMUM AND 5.827 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12578101?
12578101 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 12578101?
12578101 is cataloged in the U.S. Government catalog under NSN 5315-01-643-5045. 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.