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603 SPB — BUS,CONDUCTOR

✓ Government record, cited
— · WIRE CABLE
PRODUCT OVERVIEW

603 SPB: BUS,CONDUCTOR.

The BUS,CONDUCTOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, construction: SOLID, overall_length: 1.031 INCHES NOMINAL IN, surface_treatment: NICKEL, cross-sectional_width: 0.453 INCHES NOMINAL IN, cross-sectional_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6150-00-773-5147, 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
603 SPB
NSN: 6150-00-773-5147
NIINs: 007735147, 012348114
FSC: 6150 — Miscellaneous Electric Power and Distribution Equipment
CAGE: 26405 — REGAL BELOIT AMERICA, INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
constructionSOLID
overall_length1.031 INCHES NOMINAL IN
surface_treatmentNICKEL
cross-sectional_width0.453 INCHES NOMINAL IN
cross-sectional_height0.062 INCHES NOMINAL IN
mounting_configurationTWO 0.165 IN. DIA HOLES 0.875 IN. C TO C IN
body_cross-sectional_shapeFLAT
NSN6150-00-773-5147
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 603 SPB · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.453 INCHES NOMINAL IN
•
BODY CROSS-SECTIONAL SHAPE: FLAT
•
SURFACE TREATMENT: NICKEL
•
MOUNTING CONFIGURATION: TWO 0.165 IN. DIA HOLES 0.875 IN. C TO C IN
•
MATERIAL: COPPER ALLOY
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.453 INCHES NOMINAL IN
OVERALL LENGTH1.031 INCHES NOMINAL IN
BODY CROSS-SECTIONAL SHAPEFLAT
SURFACE TREATMENTNICKEL
MOUNTING CONFIGURATIONTWO 0.165 IN. DIA HOLES 0.875 IN. C TO C IN
MATERIALCOPPER ALLOY
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
603SPReference document
Same NSN cross-reference
Reference document — Secondary reference
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 603 SPB?
603 SPB is a BUS,CONDUCTOR.
What parts can replace 603 SPB?
There is 1 known substitute for 603 SPB: 603SP. Substitute compatibility should be verified for your specific system.
What is the NSN for 603 SPB?
603 SPB is cataloged in the U.S. Government catalog under NSN 6150-00-773-5147. 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.