The Gear Rack, cataloged under National Stock Number 3020-01-422-1935, 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 Lenox Instrument Co., Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-422-1935 |
| Primary Part Number | 3353AS265-2 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lenox Instrument Co., Inc. |
| Status | ACTIVE |
| Teeth Quantity | 33 |
| Pitch Height | 0.2044 INCHES NOMINAL IN |
| Precision Classification | ACCURACY GRADE 10 |
| Teeth Type | SPUR |
| Nominal Overall Length | 1.625 INCHES IN |
| Style Designator | ROUND |
| Material Document and Classification | ASTM A484 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Tooth Form | STUB |
| Nominal Outside Diameter | 0.249 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thickness | 0.220 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 |
|---|---|
| 3353AS265-2 PRIMARY | Lenox Instrument Co., Inc. (USA) |
| 3353AS265-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3353AS265 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3020-01-422-1935 is a Gear Rack, manufactured by Lenox Instrument Co., Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-422-1935 has 2 manufacturer part numbers on file: 3353AS265-2 (Lenox Instrument Co., Inc.), 3353AS265-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-422-1938. Verify interchangeability with system specifications before substitution.
Key specifications for 3353AS265-2: Teeth Quantity: 33; Pitch Height: 0.2044 INCHES NOMINAL IN; Precision Classification: ACCURACY GRADE 10; Teeth Type: SPUR. 12 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.