344B4428 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

344B4428: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 2.1250 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-618-6632, 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

344B4428

NSN: 3020-00-618-6632
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 1VPW8 — GENERAL DYNAMICS MISSION SYSTEMS, INC. DBA GDMS (USA)

SPECIFICATIONS

material	STEEL COMP 302 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	2.1250 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	68
special_features	TWO OVAL SLOTS 0.218 IN. BY 0.531 IN. IN
style_designator	HUBLESS
surface_treatment	PASSIVATE OVERALL
face_nominal_width	0.039 INCHES IN
backlash_designation	GRADE B
NSN	3020-00-618-6632

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.313 INCHES BOTH ENDS IN

•

BACKLASH DESIGNATION: GRADE B

•

TEETH QUANTITY: 68

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

PRECISION CLASSIFICATION: QUALITY NUMBER 7

•

STYLE DESIGNATOR: HUBLESS

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.313 INCHES BOTH ENDS IN
BACKLASH DESIGNATION	GRADE B
TEETH QUANTITY	68
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
PRECISION CLASSIFICATION	QUALITY NUMBER 7
STYLE DESIGNATOR	HUBLESS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059,ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	2.1250 INCHES NOMINAL 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

SMB248902Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 344B4428?

344B4428 is a GEAR,SPUR.

What parts can replace 344B4428?

There is 1 known substitute for 344B4428: SMB248902. Substitute compatibility should be verified for your specific system.

What is the NSN for 344B4428?

344B4428 is cataloged in the U.S. Government catalog under NSN 3020-00-618-6632. This indicates validated use in U.S. government and defense supply chains.

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344B4428 — GEAR,SPUR

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