The Switch,thermostatic, cataloged under National Stock Number 5930-01-004-9897, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Alliance Laundry Systems Llc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-004-9897 |
| Primary Part Number | TU1980P |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Alliance Laundry Systems Llc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | QUICK DISCONNECT, MALE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Bulb Length | 3.500 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Contact Load Current Rating | 25.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) |
| Contact Adjustment Range | +60.00 TO 212.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Body Width | 1.656 INCHES NOMINAL IN |
| Body Height | 0.922 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR W/BRACKET |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SHAFT |
| Distance Between Mounting Facility Centers | 1.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES ALL THREADED HOLE IN |
| Capillary Tube Length | 109.0 INCHES NOMINAL IN |
| Body Length | 2.374 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2B ALL THREADED HOLE |
| Thread Quantity Per Inch | 32 ALL THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 25.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TU1980P PRIMARY | Alliance Laundry Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| EA3-89-08 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| TU1980 | 5/9 Secondary reference Alliance Laundry Systems Llc |
| TU1980 | 3/9 Design control — primary reference Cissell Manufacturing Company Dba Cissell Mfg |
NSN 5930-01-004-9897 is a Switch,thermostatic, manufactured by Alliance Laundry Systems Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-004-9897 has 1 manufacturer part number on file: TU1980P (Alliance Laundry Systems Llc).
Key specifications for TU1980P: Overall Height: 2.359 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: QUICK DISCONNECT, MALE; Mounting Facility Pattern: TWO POSITION IN-LINE. 24 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.