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5A1020 — COUPLING,FLEXIBLE,AIR REFUELING

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

5A1020: COUPLING,FLEXIBLE,AIR REFUELING.

COUPLING,FLEXIBLE,AIR REFUELING. Key specifications include end_item_identification: AIRCRAFT MODEL C135. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-623-9748, 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
5A1020
NSN: 4710-00-623-9748
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 25472 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL C135
NSN4710-00-623-9748
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 5A1020 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONAIRCRAFT MODEL C135
SUBSTITUTES & CROSS-REFERENCES 1
10-2429-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5A1020?
5A1020 is a COUPLING,FLEXIBLE,AIR REFUELING.
What parts can replace 5A1020?
There is 1 known substitute for 5A1020: 10-2429-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 5A1020?
5A1020 is cataloged in the U.S. Government catalog under NSN 4710-00-623-9748. 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.