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9571991 — TUBE,PISTON COOLING

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

9571991: TUBE,PISTON COOLING.

The TUBE,PISTON COOLING is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include end_item_identification: GENERAL MOTORS,ELECTRO-MOTIVE DIVISION,DIESEL ENGINE,MODEL 645; LOGISTICS SUPPORT VESSEL, general_characteristics_item_description: USED WITH 645B AND 567 B-C CRANKCASE. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-330-3705, 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
9571991
NSN: 4710-01-330-3705
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
end_item_identificationGENERAL MOTORS,ELECTRO-MOTIVE DIVISION,DIESEL ENGINE,MODEL 645; LOGISTICS SUPPORT VESSEL
NSN4710-01-330-3705
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 9571991 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: USED WITH 645B AND 567 B-C CRANKCASE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONUSED WITH 645B AND 567 B-C CRANKCASE
END ITEM IDENTIFICATIONGENERAL MOTORS,ELECTRO-MOTIVE DIVISION,DIESEL ENGINE,MODEL 645; LOGISTICS SUPPORT VESSEL
OTHER ITEMS IN FSC 4710 — Pipe, Tube and Rigid Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4710-00-001-0080 4710-00-001-0081 4710-00-001-0082 4710-00-001-1229 4710-00-001-1676 4710-00-001-1686 4710-00-001-1688 4710-00-001-1691
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9571991?
9571991 is a TUBE,PISTON COOLING.
What is the NSN for 9571991?
9571991 is cataloged in the U.S. Government catalog under NSN 4710-01-330-3705. 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.