The Switch,thermostatic, cataloged under National Stock Number 5930-01-172-7300, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Valad Electric Heating Corp.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-172-7300 |
| Primary Part Number | TL4-1015 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Valad Electric Heating Corp. |
| Status | ACTIVE |
| Body Diameter | 1.206 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Mounting Method | BRACKET(S) AND SLOT |
| Body Height | 1.000 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | CAPILLARY TUBE |
| Capillary Tube Length | 24.0 INCHES NOMINAL IN |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Mounting Slot Width | 0.164 INCHES MINIMUM IN |
| 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 |
|---|---|
| TL4-1015 PRIMARY | Valad Electric Heating Corp. (USA) |
| 80-0220 | Valad Electric Heating Corp. (USA) |
| Reference | Meaning |
|---|---|
| TL4-1015 | C/1 Advisory reference — outside the item-of-supply concept Ranco Inc Ranco Controls Div |
| TL4-1015 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-172-7300 is a Switch,thermostatic, manufactured by Valad Electric Heating Corp., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-172-7300 has 2 manufacturer part numbers on file: TL4-1015 (Valad Electric Heating Corp.), 80-0220 (Valad Electric Heating Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-287-8910, 5930-01-297-8540, 6850-01-516-0501. Verify interchangeability with system specifications before substitution.
Key specifications for TL4-1015: Body Diameter: 1.206 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Mounting Facility Pattern: TWO POSITION IN-LINE. 12 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.