2122172 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2122172: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OVERALL, body_style: WEBBED, WITH LIGHTENING HOLES, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 5.4375 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-027-2744, 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

2122172

NSN: 3020-01-027-2744
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 1137 OVERALL
body_style	WEBBED, WITH LIGHTENING HOLES
bore_style	INVOLUTE SPLINE BOTH ENDS
tooth_form	STANDARD
pitch_diameter	5.4375 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	87
hardness_rating	180.0 BRINELL STANDARD MINIMUM AND 220.0 BRINELL STANDARD MAXIMUM OVERALL
spline_quantity	19 BOTH ENDS
style_designator	PROTRUDING HUBS
surface_treatment	PHOSPHATE MANGANESE OR PHOSPHATE ZINC OVERALL
face_nominal_width	0.500 INCHES IN
NSN	3020-01-027-2744

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 1.255 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.500 INCHES FIRST END IN

•

TEETH QUANTITY: 87

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

BODY STYLE: WEBBED, WITH LIGHTENING HOLES

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES BOTH ENDS IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	1.255 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.500 INCHES FIRST END IN
HUB NOMINAL DIAMETER	1.500 INCHES SECOND END IN
TEETH QUANTITY	87
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLE	WEBBED, WITH LIGHTENING HOLES
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.250 INCHES BOTH ENDS IN
HARDNESS RATING	180.0 BRINELL STANDARD MINIMUM AND 220.0 BRINELL STANDARD MAXIMUM OVERALL
NOMINAL OVERALL LENGTH	0.750 INCHES 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 1

3020PL0926282Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2122172?

2122172 is a GEAR,SPUR.

What parts can replace 2122172?

There is 1 known substitute for 2122172: 3020PL0926282. Substitute compatibility should be verified for your specific system.

What is the NSN for 2122172?

2122172 is cataloged in the U.S. Government catalog under NSN 3020-01-027-2744. This indicates validated use in U.S. government and defense supply chains.

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2122172 — GEAR,SPUR

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