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7-211320021 — GEARSHAFT,BEVEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7-211320021: GEARSHAFT,BEVEL.

The GEARSHAFT,BEVEL is a the manufacturer industrial component. Key specifications include shaft_type: SHOULDERED, teeth_type: SPIRAL, pitch_angle: 25.1667 DEGREES, shaft_length: 8.070 INCHES NOMINAL IN, gear_material: STEEL, overall_length: 8.070 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-268-9954, 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
7-211320021
NSN: 3040-01-268-9954
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
shaft_typeSHOULDERED
teeth_typeSPIRAL
pitch_angle25.1667 DEGREES
shaft_length8.070 INCHES NOMINAL IN
gear_materialSTEEL
overall_length8.070 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
shaft_end_size1.336 INCHES AND 2.248 INCHES IN
shaft_end_typePLAIN AND SPLINED INVOLUTE, INTERNAL
shaft_materialSTEEL
teeth_quantity31
diametral_pitch8.538
NSN3040-01-268-9954
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,BEVEL TITLE COMPONENT PN 7-211320021 MFR GEARSHAFT,BEVEL
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL
•
SHAFT LARGEST DIAMETER: 2.780 INCHES NOMINAL IN
•
SHAFT END SIZE: 1.336 INCHES AND 2.248 INCHES IN
•
TEETH QUANTITY: 31
•
PITCH ANGLE: 25.1667 DEGREES
•
TOOTH DIRECTION: LEFT
•
DIAMETRAL PITCH: 8.538
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL
SHAFT LARGEST DIAMETER2.780 INCHES NOMINAL IN
SHAFT END SIZE1.336 INCHES AND 2.248 INCHES IN
TEETH QUANTITY31
PITCH ANGLE25.1667 DEGREES
TOOTH DIRECTIONLEFT
DIAMETRAL PITCH8.538
PRECISION CLASSIFICATIONQUALITY NUMBER 12
TEETH TYPESPIRAL
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES 1
7-211320021-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7-211320021?
7-211320021 is a GEARSHAFT,BEVEL.
What parts can replace 7-211320021?
There is 1 known substitute for 7-211320021: 7-211320021-9. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-211320021?
7-211320021 is cataloged in the U.S. Government catalog under NSN 3040-01-268-9954. 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.