The Switch,thermostatic, cataloged under National Stock Number 5930-01-251-0491, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-251-0491 |
| Primary Part Number | 1173T176-9 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1173T176-9 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| Reference | Meaning |
|---|---|
| 5930PL1739839 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1173T176-9 | 5/9 Secondary reference U.S. Government activity |
| 150T414 | 5/9 Secondary reference Custom Control Sensors, Llc |
| 5930PL0625548 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7875-8 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5930-01-251-0491 is a Switch,thermostatic, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-251-0491 has 1 manufacturer part number on file: 1173T176-9 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5930-01-251-0491 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.