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Technical Data Sheet
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AS31543 — TUBE,STEPPED

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

AS31543: TUBE,STEPPED.

The TUBE,STEPPED is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT ENG R1830. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-119-0560, 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
AS31543
NSN: 4710-00-119-0560
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 12776 — AIRCRAFT SUPPLIES (USA)
SPECIFICATIONS
end_item_identificationACFT ENG R1830
NSN4710-00-119-0560
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: AS31543 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL STEEL PER AMS 5050; OVERALL LENGTH 2.5625 IN.; FIRST END 0.376 IN. OD BY 0.875 IN. LONG; CENTER 0.386 IN. MIN AND 0.396 IN. MAX OD BY 1.25 IN. LONG; SECOND END 0.374 IN. OD BY 0.4375 IN. LONG; 0.035 IN. WALL THICKNESS IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATL STEEL PER AMS 5050; OVERALL LENGTH 2.5625 IN.; FIRST END 0.376 IN. OD BY 0.875 IN. LONG; CENTER 0.386 IN. MIN AND 0.396 IN. MAX OD BY 1.25 IN. LONG; SECOND END 0.374 IN. OD BY 0.4375 IN. LONG; 0.035 IN. WALL THICKNESS IN
END ITEM IDENTIFICATIONACFT ENG R1830
SUBSTITUTES & CROSS-REFERENCES 1
31543Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 AS31543?
AS31543 is a TUBE,STEPPED.
What parts can replace AS31543?
There is 1 known substitute for AS31543: 31543. Substitute compatibility should be verified for your specific system.
What is the NSN for AS31543?
AS31543 is cataloged in the U.S. Government catalog under NSN 4710-00-119-0560. This indicates validated use in U.S. government and defense supply chains.
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