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R51731 — PIN,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R51731: PIN,PISTON.

The PIN,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: PLAIN ENDS, bore_style: STRAIGHT-THRU BORE, body_length: 3.3200 INCHES NOMINAL IN, bore_diameter: 0.6880 INCHES NOMINAL IN, outside_diameter: 1.37500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-01-117-1944, 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
R51731
NSN: 2805-01-117-1944
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 06021 — DEERE & COMPANY DBA JOHN DEERE DUBUQUE WORKS DIV JOHN DEERE DUBUQUE WORKS (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN ENDS
bore_styleSTRAIGHT-THRU BORE
body_length3.3200 INCHES NOMINAL IN
bore_diameter0.6880 INCHES NOMINAL IN
outside_diameter1.37500 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN2805-01-117-1944
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN,PISTON TITLE COMPONENT PN R51731 MFR PIN,PISTON
KEY FEATURES
•
BODY STYLE: PLAIN ENDS
•
BORE STYLE: STRAIGHT-THRU BORE
•
OUTSIDE DIAMETER: 1.37500 INCHES NOMINAL IN
•
BODY LENGTH: 3.3200 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
BORE DIAMETER: 0.6880 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
BODY STYLEPLAIN ENDS
BORE STYLESTRAIGHT-THRU BORE
OUTSIDE DIAMETER1.37500 INCHES NOMINAL IN
BODY LENGTH3.3200 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
BORE DIAMETER0.6880 INCHES NOMINAL IN
MATERIALSTEEL
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-000-4022 2805-00-001-0029 2805-00-001-3527 2805-00-001-3844 2805-00-001-3854 2805-00-001-6154 2805-00-001-6164 2805-00-001-6575
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R51731?
R51731 is a PIN,PISTON.
What is the NSN for R51731?
R51731 is cataloged in the U.S. Government catalog under NSN 2805-01-117-1944. 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.