The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-446-7332, 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 Us Army Aviation and Missile Command. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-446-7332 |
| Primary Part Number | 11450397-1 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.400 INCHES FIRST END IN |
| Teeth Quantity | 26 |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.254 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AMS5520 ASSN STD SINGLE MATERIAL RESPONSE RETAINING RING |
| Material Document and Classification | ASTM A313, UNS30200, CL1 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | QQ-S-763, C304 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| Material Document and Classification | QQ-S-763, C304 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| Pitch Diameter | 0.8125 INCHES NOMINAL IN |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 0.875 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 304 FIRST GEAR |
| Material | STEEL COMP 304 SECOND GEAR |
| Material | STEEL CORROSION RESISTING RETAINING RING |
| Face Nominal Width | 0.186 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11450397-1 | Southern Gear & Machine Inc (USA) |
| 11450397-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 11450397-1 | Secs Inc (USA) |
| 11450397-1 | Kurt Manufacturing Company, Inc. Div Kurt Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 101-4870 | 5/9 Secondary reference Kurt Mfg Co Inc Kurt Gear Div |
| 101-4870 | 5/9 Secondary reference Kurt Mfg Co Inc Machining Div |
NSN 3020-01-446-7332 is a Gear,antibacklash,spur, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-446-7332 has 4 manufacturer part numbers on file: 11450397-1 (Southern Gear & Machine Inc), 11450397-1 (Us Army Aviation and Missile Command), 11450397-1 (Secs Inc), 11450397-1 (Kurt Manufacturing Company, Inc. Div Kurt Manufacturing Company).
Key specifications for 11450397-1: Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.400 INCHES FIRST END IN; Teeth Quantity: 26; Bore Style: PLAIN BOTH ENDS. 20 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.
NSN 3020-01-446-7332 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.