The Gear Rack, cataloged under National Stock Number 3020-01-367-4954, 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 Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-367-4954 |
| Primary Part Number | 801-6641010FNB-05 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Teeth Quantity | 6 |
| Pitch Height | 2.5197 INCHES NOMINAL IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 8.330 INCHES IN |
| Style Designator | ROUND |
| Tooth Form | STUB |
| Nominal Outside Diameter | 3.872 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| 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 |
|---|---|
| 801-6641010FNB-05 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 801-6641010 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2643-930-50 | D/9 Drawing number reference only U.S. Government activity |
| 2643-930-50 FIND 05 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-367-4954 is a Gear Rack, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-367-4954 has 1 manufacturer part number on file: 801-6641010FNB-05 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-367-4957, 3040-01-371-4359, 3040-01-371-4360. Verify interchangeability with system specifications before substitution.
Key specifications for 801-6641010FNB-05: Teeth Quantity: 6; Pitch Height: 2.5197 INCHES NOMINAL IN; Teeth Type: SPUR; Nominal Overall Length: 8.330 INCHES IN. 8 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.