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225B721H01 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

225B721H01: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE, bore_type: STRAIGHT, face_width: 0.156 INCHES NOMINAL IN, bore_length: 0.406 INCHES NOMINAL IN, design_form: PLAIN, thread_size: 0.138 IN.-32 IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-983-9228, 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
225B721H01
NSN: 3020-00-983-9228
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303SE
bore_typeSTRAIGHT
face_width0.156 INCHES NOMINAL IN
bore_length0.406 INCHES NOMINAL IN
design_formPLAIN
thread_size0.138 IN.-32 IN
tooth_pitch0.188 INCHES NOMINAL IN
bore_diameter0.250 INCHES NOMINAL IN
hole_locationLOCATED 1/8 IN. FROM END OF HUB IN
overall_length0.406 INCHES NOMINAL IN
pitch_diameter0.763 INCHES NOMINAL IN
securing_methodTHREADED HOLE(S)
NSN3020-00-983-9228
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 225B721H01 MFR SPROCKET WHEEL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 0.500 INCHES NOMINAL BOTH ENDS IN
•
SECURING METHOD: THREADED HOLE(S)
•
BORE LENGTH: 0.406 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.188 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 329.9
•
OUTSIDE DIAMETER: 0.901 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER0.500 INCHES NOMINAL BOTH ENDS IN
SECURING METHODTHREADED HOLE(S)
BORE LENGTH0.406 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.188 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER329.9
OUTSIDE DIAMETER0.901 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 7, COND C FED SPEC SINGLE MATERIAL RESPONSE
PITCH DIAMETER0.763 INCHES NOMINAL IN
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.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 225B721H01?
225B721H01 is a SPROCKET WHEEL.
What is the NSN for 225B721H01?
225B721H01 is cataloged in the U.S. Government catalog under NSN 3020-00-983-9228. 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.