3R40639 — PARTS KIT,PISTON ASSEMBLY,COMPRE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3R40639: PARTS KIT,PISTON ASSEMBLY,COMPRE.

PARTS KIT,PISTON ASSEMBLY,COMPRE. Key specifications include supply_items_and_quantities: COMPRESSION RING 3; OIL RING 1; PIN,PISTON 1; RETAINING RING 2; PISTON 1; CONNECTING ROD 1. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-459-0781, 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

3R40639

NSN: 4310-00-459-0781
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)

SPECIFICATIONS

component_quantity	9
supply_items_and_quantities	COMPRESSION RING 3; OIL RING 1; PIN,PISTON 1; RETAINING RING 2; PISTON 1; CONNECTING ROD 1
NSN	4310-00-459-0781

COMPONENT DIAGRAM

KEY FEATURES

•

COMPONENT QUANTITY: 9

•

SUPPLY ITEMS AND QUANTITIES: COMPRESSION RING 3; OIL RING 1; PIN,PISTON 1; RETAINING RING 2; PISTON 1; CONNECTING ROD 1

TECHNICAL CHARACTERISTICS

COMPONENT QUANTITY	9
SUPPLY ITEMS AND QUANTITIES	COMPRESSION RING 3; OIL RING 1; PIN,PISTON 1; RETAINING RING 2; PISTON 1; CONNECTING ROD 1

SUBSTITUTES & CROSS-REFERENCES 2

2A34Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2A34CReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

Ready to buy 3R40639?

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 3R40639?

3R40639 is a PARTS KIT,PISTON ASSEMBLY,COMPRE.

What parts can replace 3R40639?

There are 2 known substitutes for 3R40639: 2A34, 2A34C. Substitute compatibility should be verified for your specific system.

What is the NSN for 3R40639?

3R40639 is cataloged in the U.S. Government catalog under NSN 4310-00-459-0781. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

3R40639 — PARTS KIT,PISTON ASSEMBLY,COMPRE

Request a Quote — 3R40639