The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-976-5323, 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 Southern Gear & Machine Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-976-5323 |
| Primary Part Number | AB250-84NL001P2 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Southern Gear & Machine Inc |
| Status | ACTIVE |
| Teeth Quantity | 84 |
| Clamping Surface Nominal Length | 0.250 INCHES FIRST END IN |
| Surface Treatment Document and Classification | MIL-A-8625 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.125 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 |
|---|---|
| AB250-84NL001P2 | Southern Gear & Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 241-001-0001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-976-5323 is a Gear,antibacklash,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-976-5323 has 1 manufacturer part number on file: AB250-84NL001P2 (Southern Gear & Machine Inc).
Key specifications for AB250-84NL001P2: Teeth Quantity: 84; Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN; Surface Treatment Document and Classification: MIL-A-8625 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Bore Style: PLAIN BOTH ENDS. 14 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.