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A100272 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A100272: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include tooth_form: STANDARD, pitch_diameter: 7.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 75, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ONE PROTRUDING HUB, ONE RECESSED HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-734-5490, 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
A100272
NSN: 3020-00-734-5490
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
tooth_formSTANDARD
pitch_diameter7.5000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity75
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
style_designatorONE PROTRUDING HUB, ONE RECESSED HUB
face_nominal_width0.750 INCHES IN
hub_nominal_diameter1.500 INCHES FIRST END IN
hub_style_designatorPLAIN BOTH ENDS
keyway_nominal_width0.158 INCHES BOTH ENDS IN
nominal_overall_length1.178 INCHES IN
precision_classificationQUALITY NUMBER 5 OR QUALITY NUMBER 6
NSN3020-00-734-5490
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN A100272 MFR GEAR,SPUR
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.158 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 1.500 INCHES FIRST END IN
•
TEETH QUANTITY: 75
•
PRECISION CLASSIFICATION: QUALITY NUMBER 5 OR QUALITY NUMBER 6
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL OVERALL LENGTH: 1.178 INCHES IN
•
STYLE DESIGNATOR: ONE PROTRUDING HUB, ONE RECESSED HUB
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.158 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER1.500 INCHES FIRST END IN
HUB NOMINAL DIAMETER1.500 INCHES SECOND END IN
TEETH QUANTITY75
PRECISION CLASSIFICATIONQUALITY NUMBER 5 OR QUALITY NUMBER 6
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL OVERALL LENGTH1.178 INCHES IN
STYLE DESIGNATORONE PROTRUDING HUB, ONE RECESSED HUB
PITCH DIAMETER7.5000 INCHES NOMINAL IN
TOOTH FORMSTANDARD
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A100272?
A100272 is a GEAR,SPUR.
What is the NSN for A100272?
A100272 is cataloged in the U.S. Government catalog under NSN 3020-00-734-5490. 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.