PartsTable
Technical Data Sheet
Download PDF

6S6646 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6S6646: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include pin_overall_length: 0.750 INCHES NOMINAL IN, pin_overall_diameter: 0.1250 INCHES NOMINAL IN, end_item_identification: BULLDOZER ENGINE, MODEL 953B. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-429-8652, 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
6S6646
NSN: 5315-01-429-8652
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
pin_overall_length0.750 INCHES NOMINAL IN
pin_overall_diameter0.1250 INCHES NOMINAL IN
end_item_identificationBULLDOZER ENGINE, MODEL 953B
NSN5315-01-429-8652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6S6646 · 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
•
PIN OVERALL DIAMETER: 0.1250 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PIN OVERALL DIAMETER0.1250 INCHES NOMINAL IN
PIN OVERALL LENGTH0.750 INCHES NOMINAL IN
END ITEM IDENTIFICATIONBULLDOZER ENGINE, MODEL 953B
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
No demilitarization required
Ready to buy 6S6646?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6S6646?
6S6646 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 6S6646?
6S6646 is cataloged in the U.S. Government catalog under NSN 5315-01-429-8652. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6S6646

✓ 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.