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7771978 — GEAR,BEVEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7771978: GEAR,BEVEL.

The GEAR,BEVEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: STRAIGHT SPLINE BOTH ENDS, teeth_type: STRAIGHT, pitch_diameter: 2.1250 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-569-7359, 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
7771978
NSN: 3020-00-569-7359
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleSTRAIGHT SPLINE BOTH ENDS
teeth_typeSTRAIGHT
pitch_diameter2.1250 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
spline_quantity6 BOTH ENDS
style_designatorPERIPHERAL FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING
face_nominal_width0.687 INCHES IN
backlash_designationGRADE A
hub_nominal_diameter1.000 INCHES FIRST END IN
nominal_overall_length1.640 INCHES IN
NSN3020-00-569-7359
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,BEVEL TITLE COMPONENT PN 7771978 MFR GEAR,BEVEL
KEY FEATURES
•
HUB NOMINAL DIAMETER: 1.000 INCHES FIRST END IN
•
BACKLASH DESIGNATION: GRADE A
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: STRAIGHT SPLINE BOTH ENDS
•
TEETH TYPE: STRAIGHT
•
NOMINAL OVERALL LENGTH: 1.640 INCHES IN
•
STYLE DESIGNATOR: PERIPHERAL FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING
•
PITCH DIAMETER: 2.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB NOMINAL DIAMETER1.000 INCHES FIRST END IN
BACKLASH DESIGNATIONGRADE A
BODY STYLEPLAIN, SOLID
BORE STYLESTRAIGHT SPLINE BOTH ENDS
TEETH TYPESTRAIGHT
NOMINAL OVERALL LENGTH1.640 INCHES IN
STYLE DESIGNATORPERIPHERAL FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING
PITCH DIAMETER2.1250 INCHES NOMINAL IN
SPLINE QUANTITY6 BOTH ENDS
SPECIAL FEATURES63 MICROINCH AA FINISH ON GEAR TOOTH SIDES,SPLINED BORE AND OD OF HUB END SECOND END SURFACES,HUB END SECOND END CHAMFERED TO 0.0312 IN.BY 45 DEG,HUB END SECOND END AND COUNTERBORE COUNTERSUNK TO 0.0312 BY 45 DEG. 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 7771978?
7771978 is a GEAR,BEVEL.
What is the NSN for 7771978?
7771978 is cataloged in the U.S. Government catalog under NSN 3020-00-569-7359. This indicates validated use in U.S. government and defense supply chains.
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