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646873 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

646873: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include design_form: STRAIGHT, overall_length: 4.370 INCHES NOMINAL IN, wall_thickness: 0.020 INCHES NOMINAL IN, mating_end_quantity: 2 SINGLE END, tube_outside_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-778-6643, 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
646873
NSN: 4710-00-778-6643
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 05813 — KREISLER INDUSTRIAL CORPORATION (USA)
SPECIFICATIONS
design_formSTRAIGHT
overall_length4.370 INCHES NOMINAL IN
wall_thickness0.020 INCHES NOMINAL IN
mating_end_quantity2 SINGLE END
tube_outside_diameter1.000 INCHES NOMINAL IN
NSN4710-00-778-6643
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 646873 · 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: STRAIGHT
•
MATING END QUANTITY: 2 SINGLE END
•
WALL THICKNESS: 0.020 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DESIGN FORMSTRAIGHT
MATING END QUANTITY2 SINGLE END
OVERALL LENGTH4.370 INCHES NOMINAL IN
WALL THICKNESS0.020 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
458117Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
407211Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 646873?
646873 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 646873?
There are 2 known substitutes for 646873: 458117, 407211. Substitute compatibility should be verified for your specific system.
What is the NSN for 646873?
646873 is cataloged in the U.S. Government catalog under NSN 4710-00-778-6643. This indicates validated use in U.S. government and defense supply chains.
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