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71673-1 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

71673-1: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE, bore_type: STRAIGHT, face_width: 0.125 INCHES NOMINAL IN, bore_length: 0.375 INCHES NOMINAL IN, design_form: PLAIN, thread_size: 0.138-32. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-916-6949, 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
71673-1
NSN: 3020-00-916-6949
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE
bore_typeSTRAIGHT
face_width0.125 INCHES NOMINAL IN
bore_length0.375 INCHES NOMINAL IN
design_formPLAIN
thread_size0.138-32
tooth_pitch0.148 INCHES NOMINAL IN
bore_diameter0.250 INCHES NOMINAL IN
hole_locationLOCATED ON PERIPHERY OF HUB
overall_length0.375 INCHES NOMINAL IN
pitch_diameter0.616 INCHES NOMINAL IN
securing_methodTHREADED HOLE(S)
NSN3020-00-916-6949
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 71673-1 MFR SPROCKET WHEEL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 0.500 INCHES NOMINAL BOTH ENDS IN
•
SECURING METHOD: THREADED HOLE(S)
•
BORE LENGTH: 0.375 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.148 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.668 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720, COMP 303S, COND A MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-7720, COMP 303SE, COND A MIL SPEC 2ND MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER0.500 INCHES NOMINAL BOTH ENDS IN
SECURING METHODTHREADED HOLE(S)
BORE LENGTH0.375 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.148 INCHES NOMINAL IN
OUTSIDE DIAMETER0.668 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720, COMP 303S, COND A MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-7720, COMP 303SE, COND A MIL SPEC 2ND MATERIAL RESPONSE
PITCH DIAMETER0.616 INCHES NOMINAL IN
OVERALL LENGTH0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
143329-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
169-36-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
71673Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 71673-1?
71673-1 is a SPROCKET WHEEL.
What parts can replace 71673-1?
There are 3 known substitutes for 71673-1: 143329-1, 169-36-1, 71673. Substitute compatibility should be verified for your specific system.
What is the NSN for 71673-1?
71673-1 is cataloged in the U.S. Government catalog under NSN 3020-00-916-6949. 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.