PartsTable
Technical Data Sheet

25B30-3/8 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

25B30-3/8: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL, bore_type: STRAIGHT, face_width: 0.110 INCHES NOMINAL IN, bore_length: 0.500 INCHES NOMINAL IN, design_form: PLAIN, tooth_pitch: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-045-6394, 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
25B30-3/8
NSN: 3020-01-045-6394
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL
quantity1
bore_typeSTRAIGHT
face_width0.110 INCHES NOMINAL IN
bore_length0.500 INCHES NOMINAL IN
design_formPLAIN
tooth_pitch0.250 INCHES NOMINAL IN
keyway_width0.094 INCHES NOMINAL IN
bore_diameter0.375 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
pitch_diameter2.392 INCHES NOMINAL IN
furnished_itemsKEYING FACILITY
NSN3020-01-045-6394
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 25B30-3/8 MFR SPROCKET WHEEL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 1.281 INCHES NOMINAL AA END IN
•
SECURING METHOD: SETSCREW
•
BORE LENGTH: 0.500 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.250 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 25
•
OUTSIDE DIAMETER: 2.530 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER1.281 INCHES NOMINAL AA END IN
SECURING METHODSETSCREW
BORE LENGTH0.500 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.250 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER25
OUTSIDE DIAMETER2.530 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
QUANTITY1
STYLE DESIGNATORPLAIN
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
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 25B30-3/8?
25B30-3/8 is a SPROCKET WHEEL.
What is the NSN for 25B30-3/8?
25B30-3/8 is cataloged in the U.S. Government catalog under NSN 3020-01-045-6394. 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.