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PartsTable / COMPONENT / 400-26990 ITEM 12
400-26990 ITEM 12 ✓ 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

The TUBE,METALLIC is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-109-4398, 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
400-26990 ITEM 12
NSN: 4710-01-109-4398
FSC: 4710
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY
NSN4710-01-109-4398
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 400-26990 ITEM 12 · 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
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
23742Interchangeable
interchangeable cross-reference
interchangeable
E2340PC75Interchangeable
interchangeable cross-reference
interchangeable
E2787PC64Interchangeable
interchangeable cross-reference
interchangeable
CL51S46-270ALT1PH60TRR40172Interchangeable
interchangeable cross-reference
interchangeable
MT1622AQA1Interchangeable
interchangeable cross-reference
interchangeable
7730573P3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400-26990 ITEM 12?
400-26990 ITEM 12 is a TUBE,METALLIC.
What parts can replace 400-26990 ITEM 12?
There are 23 known substitutes for 400-26990 ITEM 12: 23742, E2340PC75, E2787PC64 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400-26990 ITEM 12?
400-26990 ITEM 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-109-4398. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026