The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL, bore_type: STRAIGHT, face_width: 0.563 INCHES NOMINAL IN, bore_length: 2.000 INCHES NOMINAL IN, design_form: PLAIN, thread_size: 1/2-13. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-425-0442, 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
B19-689
NSN:3020-00-425-0442 FSC:3020 — Gears, Pulleys, Sprockets, and Transmission Chain CAGE:61790 — ASTEC INDUSTRIES INC DIV ASTEC IND. (USA)
SPECIFICATIONS
material
STEEL
quantity
1
bore_type
STRAIGHT
face_width
0.563 INCHES NOMINAL IN
bore_length
2.000 INCHES NOMINAL IN
design_form
PLAIN
thread_size
1/2-13
tooth_pitch
1.000 INCHES NOMINAL IN
keyway_width
0.623 INCHES NOMINAL IN
bore_diameter
1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
hole_location
1 HOLE LOCATED ON TOP OF KEYWAY 1 HOLE LOCATED 90 DEG CW FROM KEYWAY
overall_length
2.000 INCHES NOMINAL IN
NSN
3020-00-425-0442
COMPONENT DIAGRAM
KEY FEATURES
•
SECURING METHOD: THREADED HOLE(S)
•
BORE LENGTH: 2.000 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TEETH HARDNESS RATING: 7.000 ROCKWELL C MINIMUM AND 60.000 ROCKWELL C MAXIMUM
•
TOOTH PITCH: 1.000 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 80
•
OUTSIDE DIAMETER: 4.657 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
TECHNICAL CHARACTERISTICS
SECURING METHOD
THREADED HOLE(S)
BORE LENGTH
2.000 INCHES NOMINAL IN
DESIGN FORM
PLAIN
TEETH HARDNESS RATING
7.000 ROCKWELL C MINIMUM AND 60.000 ROCKWELL C MAXIMUM
TOOTH PITCH
1.000 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER
80
OUTSIDE DIAMETER
4.657 INCHES NOMINAL IN
KEYING FACILITY TYPE
KEYWAY
QUANTITY
1
STYLE DESIGNATOR
PLAIN
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is B19-689?
B19-689 is a SPROCKET WHEEL.
What is the NSN for B19-689?
B19-689 is cataloged in the U.S. Government catalog under NSN 3020-00-425-0442. This indicates validated use in U.S. government and defense supply chains.
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