The Gear Rack, cataloged under National Stock Number 3020-00-294-6545, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-6545 |
| Primary Part Number | 1225053 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Teeth Quantity | 16 |
| Surface Treatment Document and Classification | QQ-N-290,CLASS 2,TYPE7 FED SPEC 1ST TREATMENT RESPONSE AND QQ-C-320,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Nominal Distance From End to First Mounting Hole Center | 0.125 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Pitch Height | 0.2310 INCHES NOMINAL IN |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH BOTTOM |
| Teeth Type | SPUR |
| Nominal Overall Length | 2.094 INCHES IN |
| Style Designator | SQUARE OR RECTANGULAR |
| Material Document and Classification | QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Mounting Hole Nominal Thread Size | 0.112 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Surface Treatment | NICKEL AND CHROMIUM OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY 360 OVERALL |
| Center to Center Nominal Distance Between Mounting Holes | 0.798 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH BOTTOM |
| Nominal Thickness | 0.235 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.231 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 |
|---|---|
| 1225053 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-294-6545 is a Gear Rack, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-6545 has 1 manufacturer part number on file: 1225053 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-443-6949. Verify interchangeability with system specifications before substitution.
Key specifications for 1225053: Teeth Quantity: 16; Surface Treatment Document and Classification: QQ-N-290,CLASS 2,TYPE7 FED SPEC 1ST TREATMENT RESPONSE AND QQ-C-320,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Nominal Distance From End to First Mounting Hole Center: 0.125 INCHES TRANSVERSELY THROUGH BOTTOM IN; Pitch Height: 0.2310 INCHES NOMINAL IN. 19 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.