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659420 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

659420: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include design_form: PREBENT, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-800-3951, 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
659420
NSN: 4710-00-800-3951
NIINs: 008003951, 014862202
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
design_formPREBENT
special_featuresDUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES & MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
criticality_code_justificationFEAT
NSN4710-00-800-3951
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 659420 · 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
•
DESIGN FORM: PREBENT
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
DESIGN FORMPREBENT
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESDUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES & MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY
SUBSTITUTES & CROSS-REFERENCES 3
432004Reference document
Same NSN cross-reference
Reference document — Secondary reference
652515Reference document
Same NSN cross-reference
Reference document — Secondary reference
415907Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 659420?
659420 is a TUBE ASSEMBLY,METAL.
What parts can replace 659420?
There are 3 known substitutes for 659420: 432004, 652515, 415907. Substitute compatibility should be verified for your specific system.
What is the NSN for 659420?
659420 is cataloged in the U.S. Government catalog under NSN 4710-00-800-3951. This indicates validated use in U.S. government and defense supply chains.
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