The Switch,thermostatic, cataloged under National Stock Number 5930-01-155-7373, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Alto-Shaam, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-155-7373 |
| Primary Part Number | TT-3057 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Alto-Shaam, Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Bulb Length | 15.375 INCHES NOMINAL IN |
| Bulb Diameter | 0.188 INCHES NOMINAL IN |
| Contact Load Current Rating | 20.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | SURFACE |
| Contact Adjustment Range | +60.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Style Designator | RECTANGULAR |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT DIAL AND EXTERNAL DEACTUATION POINT DIAL |
| Capillary Tube Length | 48.0 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE AND DEACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 230.0 AC AT SEA LEVEL SECOND 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 |
|---|---|
| TT-3057 PRIMARY | Alto-Shaam, Inc (USA) |
| Z87147-36 | Schneider Electric Systems Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| IT-3057 | C/1 Advisory reference — outside the item-of-supply concept Alto-Shaam, Inc |
| B10 Z87147-36 | 5/9 Secondary reference Schneider Electric Systems Usa Inc |
NSN 5930-01-155-7373 is a Switch,thermostatic, manufactured by Alto-Shaam, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-155-7373 has 2 manufacturer part numbers on file: TT-3057 (Alto-Shaam, Inc), Z87147-36 (Schneider Electric Systems Usa Inc).
Key specifications for TT-3057: Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW; Bulb Length: 15.375 INCHES NOMINAL IN; Bulb Diameter: 0.188 INCHES NOMINAL IN. 17 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.