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21-19617 — BUS,CONDUCTOR

✓ Government record, cited
— · WIRE CABLE
PRODUCT OVERVIEW

21-19617: BUS,CONDUCTOR.

The BUS,CONDUCTOR is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, construction: SOLID, thread_class: 3A NUT THREAD A, overall_length: 1.437 INCHES NOMINAL IN, locking_feature: RING, LOCK KEYED, shoulder_length: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 6150-00-781-5529, 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
21-19617
NSN: 6150-00-781-5529
NIINs: 007815529, 012557463, 012596922
FSC: 6150 — Miscellaneous Electric Power and Distribution Equipment
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
materialIRON ALLOY 660
constructionSOLID
thread_class3A NUT THREAD A
overall_length1.437 INCHES NOMINAL IN
locking_featureRING, LOCK KEYED
shoulder_length0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
nominal_thread_size0.190 INCHES NUT THREAD IN
cross-sectional_width4.000 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
NSN6150-00-781-5529
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 21-19617 · 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 4.000 INCHES NOMINAL IN
•
BODY CROSS-SECTIONAL SHAPE: RECTANGULAR
•
MOUNTING CONFIGURATION: EITHT 0.438 IN. DIA HOLES,FOUR EA END IN
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH4.000 INCHES NOMINAL IN
OVERALL LENGTH23.938 INCHES NOMINAL IN
BODY CROSS-SECTIONAL SHAPERECTANGULAR
MOUNTING CONFIGURATIONEITHT 0.438 IN. DIA HOLES,FOUR EA END IN
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
21-19618PC3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-19617?
21-19617 is a BUS,CONDUCTOR.
What parts can replace 21-19617?
There is 1 known substitute for 21-19617: 21-19618PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-19617?
21-19617 is cataloged in the U.S. Government catalog under NSN 6150-00-781-5529. 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.