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30138-88 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

30138-88: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, bore_style: PLAIN BOTH ENDS, pitch_diameter: 0.7330 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 88, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-884-6089, 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
30138-88
NSN: 3020-00-884-6089
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 07421 — L3HARRIS INTERSTATE ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
bore_stylePLAIN BOTH ENDS
pitch_diameter0.7330 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity88
style_designatorPROTRUDING HUB
attachment_methodCLAMP
face_nominal_width0.057 INCHES IN
hub_nominal_diameter0.155 INCHES FIRST END IN
hub_style_designatorSPLIT FIRST END
bore_nominal_diameter0.120 INCHES BOTH ENDS IN
nominal_outside_diameter0.750 INCHES IN
NSN3020-00-884-6089
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,ANTIBACKLASH,SPUR TITLE COMPONENT PN 30138-88 MFR GEAR,ANTIBACKLASH,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.120 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.155 INCHES FIRST END IN
•
TEETH QUANTITY: 88
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.152 INCHES FIRST END IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
PITCH DIAMETER: 0.7330 INCHES NOMINAL IN
•
HUB STYLE DESIGNATOR: SPLIT FIRST END
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.120 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.155 INCHES FIRST END IN
TEETH QUANTITY88
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.152 INCHES FIRST END IN
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.7330 INCHES NOMINAL IN
HUB STYLE DESIGNATORSPLIT FIRST END
NOMINAL OUTSIDE DIAMETER0.750 INCHES IN
PRESSURE ANGLE20.0000 DEGREES
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30138-88?
30138-88 is a GEAR,ANTIBACKLASH,SPUR.
What is the NSN for 30138-88?
30138-88 is cataloged in the U.S. Government catalog under NSN 3020-00-884-6089. 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.