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PIN-781 — PIN,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PIN-781: 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: 5.3990 INCHES NOMINAL IN, bore_diameter: 0.8600 INCHES NOMINAL IN, outside_diameter: 1.24900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-717-0157, 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
PIN-781
NSN: 4310-00-717-0157
NIINs: 007170157, 012893108
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN ENDS
bore_styleSTRAIGHT-THRU BORE
body_length5.3990 INCHES NOMINAL IN
bore_diameter0.8600 INCHES NOMINAL IN
outside_diameter1.24900 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN4310-00-717-0157
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN,PISTON TITLE COMPONENT PN PIN-781 MFR PIN,PISTON
KEY FEATURES
•
BODY STYLE: PLAIN ENDS
•
BORE STYLE: STRAIGHT-THRU BORE
•
OUTSIDE DIAMETER: 1.24900 INCHES NOMINAL IN
•
BODY LENGTH: 5.3990 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
BORE DIAMETER: 0.8600 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
BODY STYLEPLAIN ENDS
BORE STYLESTRAIGHT-THRU BORE
OUTSIDE DIAMETER1.24900 INCHES NOMINAL IN
BODY LENGTH5.3990 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
BORE DIAMETER0.8600 INCHES NOMINAL IN
MATERIALSTEEL
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 PIN-781?
PIN-781 is a PIN,PISTON.
What is the NSN for PIN-781?
PIN-781 is cataloged in the U.S. Government catalog under NSN 4310-00-717-0157. 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.