8640XO20 — PISTON,COMPRESSOR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8640XO20: PISTON,COMPRESSOR.

The PISTON,COMPRESSOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, oversize: 0.020 INCHES NOMINAL IN, head_style: FLAT, skirt_type: SOLID, surface_finish: FINISHED, retaining_ring_groove: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 4310-01-251-7849, 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

8640XO20

NSN: 4310-01-251-7849
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 49576 — QUINCY COMPRESSOR DIVISION OF COLTEC INDUSTRIES INC DBA QUINCY COMPRESSOR DIV QUINCY COMPRESSOR (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY
oversize	0.020 INCHES NOMINAL IN
head_style	FLAT
skirt_type	SOLID
surface_finish	FINISHED
ring_groove_quantity	4
retaining_ring_groove	NOT INCLUDED
integral_connecting_rod	NOT INCLUDED
finished_size_designation	OVERSIZE
pin_type_for_which_designed	LOCKED
NSN	4310-01-251-7849

COMPONENT DIAGRAM

KEY FEATURES

•

INTEGRAL CONNECTING ROD: NOT INCLUDED

•

RETAINING RING GROOVE: NOT INCLUDED

•

SURFACE FINISH: FINISHED

•

PIN: NOT INCLUDED

•

PIN TYPE FOR WHICH DESIGNED: LOCKED

•

HEAD STYLE: FLAT

•

RING GROOVE QUANTITY: 4

•

OVERSIZE: 0.020 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

INTEGRAL CONNECTING ROD	NOT INCLUDED
RETAINING RING GROOVE	NOT INCLUDED
SURFACE FINISH	FINISHED
PIN	NOT INCLUDED
PIN TYPE FOR WHICH DESIGNED	LOCKED
HEAD STYLE	FLAT
RING GROOVE QUANTITY	4
OVERSIZE	0.020 INCHES NOMINAL IN
FINISHED SIZE DESIGNATION	OVERSIZE
RING	NOT INCLUDED

OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4310-00-000-0050 4310-00-001-0059 4310-00-001-2044 4310-00-001-3477 4310-00-001-3493 4310-00-001-6194 4310-00-001-6381 4310-00-001-7755

SUBSTITUTES & CROSS-REFERENCES 2

5845OV20Reference document

Same NSN cross-reference

Reference document — Secondary reference

5845X0V20Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 8640XO20?

8640XO20 is a PISTON,COMPRESSOR.

What parts can replace 8640XO20?

There are 2 known substitutes for 8640XO20: 5845OV20, 5845X0V20. Substitute compatibility should be verified for your specific system.

What is the NSN for 8640XO20?

8640XO20 is cataloged in the U.S. Government catalog under NSN 4310-01-251-7849. This indicates validated use in U.S. government and defense supply chains.

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8640XO20 — PISTON,COMPRESSOR

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