The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-651-1680, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 5905-00-651-1680 |
| Primary Part Number | 77-208 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Pilot Diameter | 1.5620 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Test Data Document | 10001-1440256 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Actuator Travel Control Feature | CONTINUOUS MOTION |
| Function Characteristic Per Section | ALL SECTIONS GRAPH |
| Terminal Type and Quantity | 9 SOLDER STUD |
| Function Conformity Per Section | 1ST SECTION ABSOLUTE LINEARITY AND 2ND SECTION ABSOLUTE LINEARITY AND 3RD SECTION INDEPENDENT LINEARITY |
| Power Dissipation Rating Per Section in Watts | 3.0 FREE AIR 1ST SECTION AND 3.0 FREE AIR 2ND SECTION AND 0.12 FREE AIR 3RD SECTION |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 ALL SECTIONS |
| Overall Diameter | 2.000 INCHES MAXIMUM IN |
| Mounting Lip Depth | 0.0730 INCHES NOMINAL IN |
| Section Quantity | 3 |
| Body Diameter | 1.750 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Rotary Actuator Travel in Angular Deg | 360.0 NOMINAL |
| Function Conformity Tolerance Per Section | -5.00 TO 5.00 ALL SECTIONS |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Effective Electrical Rotation in Deg Angular Rotation | 354.0 NOMINAL |
| Actuator Type | DOUBLE ENDED SHAFT |
| Features Provided | NONMETALLIC SHAFT |
| Electrical Resistance Per Section | 44.900 KILOHMS 1ST SECTION AND 44.900 KILOHMS 2ND SECTION AND 3.400 KILOHMS 3RD SECTION |
| Mounting Method | CLAMP RING(S) |
| Shaft Length | 0.719 INCHES NOMINAL IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Body Length | 1.800 INCHES NOMINAL IN |
| Undercut Diameter | 1.734 INCHES NOMINAL IN |
| Maximum Starting Torque | 1.60 INCH-OUNCES IN |
| Shaft Diameter | 0.375 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5905-00-651-1680 is a Resistor,variable,wire Wound,pre, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-00-651-1680 has 2 cross-referenced part numbers: 77-208 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1440256 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 6 known substitutes for 5905-00-651-1680: 3110-00-144-8671, 3110-00-155-6704, 1680-00-516-5657 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 77-208: Pilot Diameter: 1.5620 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Test Data Document: 10001-1440256 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED. 30 total characteristics are documented in the Federal Logistics Information System.