The Gear Set, cataloged under National Stock Number 3020-01-149-7908, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-149-7908 |
| Primary Part Number | 87643-7504 PCS-5-6-7 |
| Item Name | Gear Set |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF GEAR RACK,NICKEL ALUMINUM BRONZ,MIL-B-24059,4.250 IN. LG,O.750 IN. FACE W,0.675 IN. THK; 2 GEAR SPURS; 1 SPUR GEAR NICKEL-COPPER ALLOY,QQ-N-281,CLASS A,3.333 IN. OD,3.000 IN. PITCH DIA,1.560 IN. FACE W,1.125 IN. BORE DIA; 1 SPUR GEAR NICKEL ALUMINUM BRONZE,MIL-B-24059,4.832 IN. OD,4.500 IN. PITCH DIA,0.620 IN.FACE W,1.119 IN. BORE DIA IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 87643-7504 PCS-5-6-7 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 501-4675698 ITEM 5-6-7 PRIMARY | Naval Ship Systems Command (USA) |
| 87643-7504 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 501-4675698 ITEM 5-6-7 PRIMARY | Naval Sea Systems Command (USA) |
| 501-4675698 | Naval Ship Systems Command (USA) |
NSN 3020-01-149-7908 is a Gear Set, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-149-7908 has 5 cross-referenced part numbers: 87643-7504 PCS-5-6-7 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675698 ITEM 5-6-7 (Naval Ship Systems Command), 87643-7504 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675698 ITEM 5-6-7 (Naval Sea Systems Command), 501-4675698 (Naval Ship Systems Command).
There are 12 known substitutes for 3020-01-149-7908: 3020-01-096-2021, 4820-01-103-0157, 4820-01-103-0158 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 87643-7504 PCS-5-6-7: General Characteristics Item Description: CONSISTS OF GEAR RACK,NICKEL ALUMINUM BRONZ,MIL-B-24059,4.250 IN. LG,O.750 IN. FACE W,0.675 IN. THK; 2 GEAR SPURS; 1 SPUR GEAR NICKEL-COPPER ALLOY,QQ-N-281,CLASS A,3.333 IN. OD,3.000 IN. PITCH DIA,1.560 IN. FACE W,1.125 IN. BORE DIA; 1 SPUR GEAR NICKEL ALUMINUM BRONZE,MIL-B-24059,4.832 IN. OD,4.500 IN. PITCH DIA,0.620 IN.FACE W,1.119 IN. BORE DIA IN. 1 total characteristics are documented in the Federal Logistics Information System.