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749974 — TUBE ASSEMBLY,AIR DEICER

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

749974: TUBE ASSEMBLY,AIR DEICER.

The TUBE ASSEMBLY,AIR DEICER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4710-00-283-7201, 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
749974
NSN: 4710-00-283-7201
NIINs: 002837201, 002837264, 014276306
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
Part Number749974
NSN4710-00-283-7201
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 749974 · 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: 33.360 IN. LG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION33.360 IN. LG IN
END ITEM IDENTIFICATIONAIRCRAFT MODEL S-3A A
SUBSTITUTES & CROSS-REFERENCES 1
749974-102Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 749974?
749974 is a TUBE ASSEMBLY,AIR DEICER.
What parts can replace 749974?
There is 1 known substitute for 749974: 749974-102. Substitute compatibility should be verified for your specific system.
What is the NSN for 749974?
749974 is cataloged in the U.S. Government catalog under NSN 4710-00-283-7201. 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.