The Sprocket Wheel, cataloged under National Stock Number 3020-01-165-1581, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-165-1581 |
| Primary Part Number | 77C719668P1 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Hardness Rating Test Method | ROCKWELL |
| Center to Center Distance Between Teeth Rows | 0.841 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Face Width | 0.841 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| Distance From Hub End to Flange End | 0.659 INCHES NOMINAL AA END IN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 48.0 ROCKWELL C MINIMUM BODY AND 52.0 ROCKWELL C MAXIMUM BODY |
| Teeth Row Quantity | 2 |
| Hole Location | THRU HUB |
| Bore Length | 1.500 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Outside Diameter | 2.170 INCHES NOMINAL IN |
| Thread Size | 1/4-28 |
| Distance From Center of Bore to Bottom of Keyway | 0.466 INCHES NOMINAL IN |
| Bore Diameter | 0.752 INCHES NOMINAL IN |
| Keyway Width | 0.189 INCHES NOMINAL IN |
| Furnished Items | KEYING FACILITY |
| Hub Outside Diameter | 1.560 INCHES NOMINAL AA END IN |
| Securing Location | AA END |
| Material Document and Classification | MIL-S-5626, COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE |
| Protruding Hub Characteristic | PLAIN |
| Securing Method | THREADED HOLE(S) |
| Style Designator | PLAIN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Design Form | PLAIN |
| Teeth Quantity Per Row | 12 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 77C719668P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 77C719668 | Lockheed Martin Corporation Div Rms (USA) |
| 9668-1 | Interstate Machinery Co Inc (USA) |
NSN 3020-01-165-1581 is a Sprocket Wheel, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-165-1581 has 3 cross-referenced part numbers: 77C719668P1 (Lockheed Martin Corporation Div Rms), 77C719668 (Lockheed Martin Corporation Div Rms), 9668-1 (Interstate Machinery Co Inc).
There are 3 known substitutes for 3020-01-165-1581: 2990-01-007-0323, 5985-01-106-7632, 6150-01-366-4952. Verify interchangeability with system specifications before substitution.
Key specifications for 77C719668P1: Hardness Rating Test Method: ROCKWELL; Center to Center Distance Between Teeth Rows: 0.841 INCHES NOMINAL IN; Bore Type: STRAIGHT; Face Width: 0.841 INCHES NOMINAL IN. 29 total characteristics are documented in the Federal Logistics Information System.