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Technical Data Sheet
PartsTable / COMPONENT / 2556-6
2556-6 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

CLAMP,CABLE,ELECTRICAL CONNECTOR. Key specifications include material: ALUMINUM, overall_length: 12.500 INCHES NOMINAL IN, overall_diameter: 4.500 INCHES NOMINAL IN, special_features: INCLUDES LANARD, end_item_identification: F-22 RAPTOR, part_name_assigned_by_controlling_agency: DOCUMENT TUBE ASSY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-676-7936, 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
2556-6
NSN: 4720-00-676-7936
FSC: 4720
CAGE: 1P322 — EATON-AEROQUIP INC. (USA)
SPECIFICATIONS
materialALUMINUM
overall_length12.500 INCHES NOMINAL IN
overall_diameter4.500 INCHES NOMINAL IN
special_featuresINCLUDES LANARD
end_item_identificationF-22 RAPTOR
part_name_assigned_by_controlling_agencyDOCUMENT TUBE ASSY
NSN4720-00-676-7936
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2556-6 · 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
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
4356Interchangeable
interchangeable cross-reference
interchangeable
3194Interchangeable
interchangeable cross-reference
interchangeable
6303-2Interchangeable
interchangeable cross-reference
interchangeable
1-4ST4G50Interchangeable
interchangeable cross-reference
interchangeable
40401-8Interchangeable
interchangeable cross-reference
interchangeable
2510 1/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2556-6?
2556-6 is a CLAMP,CABLE,ELECTRICAL CONNECTOR.
What parts can replace 2556-6?
There are 26 known substitutes for 2556-6: 4356, 3194, 6303-2 and 23 more. Substitute compatibility should be verified for your specific system.
Is 2556-6 still available?
2556-6 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026