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221B718H01 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

221B718H01: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, bore_type: STRAIGHT, face_width: 0.156 INCHES NOMINAL IN, bore_length: 0.406 INCHES NOMINAL IN, design_form: PLAIN, thread_size: 6-32. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-780-5397, 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
221B718H01
NSN: 3020-00-780-5397
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
bore_typeSTRAIGHT
face_width0.156 INCHES NOMINAL IN
bore_length0.406 INCHES NOMINAL IN
design_formPLAIN
thread_size6-32
tooth_pitch0.188 INCHES NOMINAL IN
bore_diameter0.250 INCHES NOMINAL IN
hole_locationONE LOCATED ON HUB BETWEEN HUB END AND FACE
overall_length0.406 INCHES NOMINAL IN
pitch_diameter1.020 INCHES NOMINAL IN
securing_methodTHREADED HOLE(S)
NSN3020-00-780-5397
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 221B718H01 MFR SPROCKET WHEEL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 0.500 INCHES NOMINAL AA END IN
•
SECURING METHOD: THREADED HOLE(S)
•
BORE LENGTH: 0.406 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.188 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.996 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
PITCH DIAMETER: 1.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER0.500 INCHES NOMINAL AA END IN
SECURING METHODTHREADED HOLE(S)
BORE LENGTH0.406 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.188 INCHES NOMINAL IN
OUTSIDE DIAMETER0.996 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
PITCH DIAMETER1.020 INCHES NOMINAL IN
OVERALL LENGTH0.406 INCHES NOMINAL IN
BORE TYPESTRAIGHT
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.
3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221B718H01?
221B718H01 is a SPROCKET WHEEL.
What is the NSN for 221B718H01?
221B718H01 is cataloged in the U.S. Government catalog under NSN 3020-00-780-5397. 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.