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Technical Data Sheet
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121-0921 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

121-0921: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4710-01-464-4693, 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
121-0921
NSN: 4710-01-464-4693
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number121-0921
NSN4710-01-464-4693
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 121-0921 · 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
SUBSTITUTES & CROSS-REFERENCES 2
9Y6534 IT 40Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9Y6534Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 121-0921?
121-0921 is a TUBE ASSEMBLY,METAL.
What parts can replace 121-0921?
There are 2 known substitutes for 121-0921: 9Y6534 IT 40, 9Y6534. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-0921?
121-0921 is cataloged in the U.S. Government catalog under NSN 4710-01-464-4693. This indicates validated use in U.S. government and defense supply chains.
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