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12543078 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12543078: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 7.8 MILLIMETERS NOMINAL MM, material: STEEL OVERALL, under_head_length: 59.4 MILLIMETERS NOMINAL MM, supplementary_features: WITH SPRING LOADED RETENTION RING ATTACHED, part_name_assigned_by_controlling_agency: PIN,LYNCH. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-643-1357, 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
12543078
NSN: 5315-01-643-1357
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
diameter7.8 MILLIMETERS NOMINAL MM
materialSTEEL OVERALL
under_head_length59.4 MILLIMETERS NOMINAL MM
supplementary_featuresWITH SPRING LOADED RETENTION RING ATTACHED
part_name_assigned_by_controlling_agencyPIN,LYNCH
NSN5315-01-643-1357
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12543078 · 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
•
UNDER HEAD LENGTH: 59.4 MILLIMETERS NOMINAL MM
•
SUPPLEMENTARY FEATURES: WITH SPRING LOADED RETENTION RING ATTACHED
•
DIAMETER: 7.8 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH59.4 MILLIMETERS NOMINAL MM
SUPPLEMENTARY FEATURESWITH SPRING LOADED RETENTION RING ATTACHED
DIAMETER7.8 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN,LYNCH
MATERIALSTEEL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12543078?
12543078 is a PIN,STRAIGHT,HEADED.
What is the NSN for 12543078?
12543078 is cataloged in the U.S. Government catalog under NSN 5315-01-643-1357. 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.