The Gear,spur, cataloged under National Stock Number 3020-00-772-4338, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-772-4338 |
| Primary Part Number | 7724338 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Teeth Quantity | 22 |
| Body Style | PLAIN, SOLID |
| Bore Style | SQUARE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.062 INCHES FIRST END IN |
| Hardness Rating | 30.0 ROCKWELL C NOMINAL TEETH |
| Nominal Overall Length | 1.562 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.3750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Bore Nominal Width | 0.247 INCHES BOTH ENDS IN |
| Hub Style Designator | THREADED FIRST END |
| Nominal Outside Diameter | 1.500 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 1040 OVERALL |
| Face Nominal Width | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7724338 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-772-4338 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-772-4338 has 1 manufacturer part number on file: 7724338 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7724338: Teeth Quantity: 22; Body Style: PLAIN, SOLID; Bore Style: SQUARE BOTH ENDS; Nominal Distance Between Body Face and Protruding Hub End: 1.062 INCHES FIRST END IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.