The Gear,spur, cataloged under National Stock Number 3020-00-778-9705, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Inc Perfect Gear and Instrument Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-778-9705 |
| Primary Part Number | M48S44 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Designatronics Inc Perfect Gear and Instrument Div |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Clamping Surface Nominal Length | 0.250 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Nominal Outside Diameter | 0.958 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material Document and Classification | QQ-S-764,TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Material | STEEL COMP 303 OVERALL |
| Teeth Quantity | 44 |
| Pitch Diameter | 0.9157 INCHES MINIMUM AND 0.9167 INCHES MAXIMUM IN |
| Precision Classification | QUALITY NUMBER 10 |
| Face Nominal Width | 0.125 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Hub Style Designator | SPLIT FIRST END |
| Attachment Method | CLAMP |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7438702 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
| C48S18-44 | W. M. Berg, Inc. (USA) |
| M48S44 PRIMARY | Designatronics Inc Perfect Gear and Instrument Div (USA) |
| H1-44 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| R21-44 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| GC14-44 PRIMARY | Secs Inc (USA) |
| 7438702 | General Electric Company (USA) |
NSN 3020-00-778-9705 is a Gear,spur, manufactured by Designatronics Inc Perfect Gear and Instrument Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-778-9705 has 7 cross-referenced part numbers: 7438702 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), C48S18-44 (W. M. Berg, Inc.), M48S44 (Designatronics Inc Perfect Gear and Instrument Div), H1-44 (Roller Bearing Co of America, Inc Div Pic Design), R21-44 (Designatronics Incorporated Div Sterling Instruments Div) and 2 more.
There are 6 known substitutes for 3020-00-778-9705: 5360-00-133-5714, 5999-00-195-9676, 5950-00-349-9869 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for M48S44: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.312 INCHES FIRST END IN; Tooth Form: STANDARD; Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.