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LS4-1A — PIN,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

LS4-1A: PIN,PISTON.

The PIN,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: PLAIN ENDS, hole_depth: 0.6250 INCHES NOMINAL IN, body_length: 4.0000 INCHES NOMINAL IN, outside_diameter: 2.00000 INCHES NOMINAL IN, first_hole_diameter: 0.563 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-141-2117, 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
LS4-1A
NSN: 2815-00-141-2117
FSC: 2815 — Diesel Engines and Components
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN ENDS
hole_depth0.6250 INCHES NOMINAL IN
body_length4.0000 INCHES NOMINAL IN
outside_diameter2.00000 INCHES NOMINAL IN
first_hole_diameter0.563 INCHES NOMINAL IN
fsc_application_dataENGINE,DIESEL
second_hole_diameter0.563 INCHES NOMINAL IN
hole_arrangement_styleTWO HOLES IN SOLID PIN
casehardening_indicatorNOT CASEHARDENED
center_to_center_distance_between_holes0.6875 INCHES NOMINAL IN
distance_from_centerline_of_hole_to_end_of_pin1.250 INCHES NOMINAL IN
NSN2815-00-141-2117
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN,PISTON TITLE COMPONENT PN LS4-1A MFR PIN,PISTON
KEY FEATURES
•
FSC APPLICATION DATA: ENGINE,DIESEL
•
BODY STYLE: PLAIN ENDS
•
HOLE ARRANGEMENT STYLE: TWO HOLES IN SOLID PIN
•
HOLE DEPTH: 0.6250 INCHES NOMINAL IN
•
FIRST HOLE DIAMETER: 0.563 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.00000 INCHES NOMINAL IN
•
SECOND HOLE DIAMETER: 0.563 INCHES NOMINAL IN
•
BODY LENGTH: 4.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,DIESEL
BODY STYLEPLAIN ENDS
HOLE ARRANGEMENT STYLETWO HOLES IN SOLID PIN
HOLE DEPTH0.6250 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.563 INCHES NOMINAL IN
OUTSIDE DIAMETER2.00000 INCHES NOMINAL IN
SECOND HOLE DIAMETER0.563 INCHES NOMINAL IN
BODY LENGTH4.0000 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN HOLES0.6875 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 LS4-1A?
LS4-1A is a PIN,PISTON.
What is the NSN for LS4-1A?
LS4-1A is cataloged in the U.S. Government catalog under NSN 2815-00-141-2117. 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.