The Gear,worm, cataloged under National Stock Number 3020-01-289-8941, 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 Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-289-8941 |
| Primary Part Number | 51C1070-1 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Keyway Nominal Width | 0.250 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.002 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.750 INCHES FIRST END IN |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.561 INCHES FIRST END IN |
| Face Type | STRAIGHT |
| Nominal Overall Length | 1.187 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Hub Style Designator | PLAIN FIRST END |
| Thread Form Quantity | 1 |
| Nominal Distance From Bore Center to Keyway Bottom | 0.800 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Face Nominal Width | 0.626 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 |
|---|---|
| 51C1070-1 PRIMARY | Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc (USA) |
| PF51-013-74 | Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc (USA) |
| Reference | Meaning |
|---|---|
| PF51-013-74 | 5/9 Secondary reference Pf Fishpole Hoists Inc Use CAGE Code 1yrx6 for Cataloging. |
| 51C1070-1 | 3/9 Design control — primary reference Pf Fishpole Hoists Inc Use CAGE Code 1yrx6 for Cataloging. |
NSN 3020-01-289-8941 is a Gear,worm, manufactured by Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-289-8941 has 2 manufacturer part numbers on file: 51C1070-1 (Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc), PF51-013-74 (Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc).
Key specifications for 51C1070-1: Thread Form Direction: RIGHT-HAND; Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.002 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.750 INCHES FIRST END IN. 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.