The Switch,pressure, cataloged under National Stock Number 5930-00-504-3657, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-504-3657 |
| Primary Part Number | YC-48 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | ABSOLUTE |
| Body Length | 0.875 INCHES NOMINAL IN |
| Media for Which Designed | LIQUID |
| 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 |
|---|---|
| YC-48 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| YC-48 | 5/9 Secondary reference Spracher Co Inc the |
| 53349 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-504-3657 is a Switch,pressure, manufactured by Wisconsin Motors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-504-3657 has 1 manufacturer part number on file: YC-48 (Wisconsin Motors, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-00-788-4867, 7310-01-021-2027. Verify interchangeability with system specifications before substitution.
Key specifications for YC-48: Overall Diameter: 2.000 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Overall Length: 3.062 INCHES NOMINAL IN; Pressure Switch Type: ABSOLUTE. 5 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.