The Switch,pressure, cataloged under National Stock Number 5930-01-570-4633, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Unicontrol Inc. Dba Hays Cleveland. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-570-4633 |
| Primary Part Number | AFS-271 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Unicontrol Inc. Dba Hays Cleveland |
| Status | ACTIVE |
| 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 |
|---|---|
| AFS-271 PRIMARY | Unicontrol Inc. Dba Hays Cleveland (USA) |
| Reference | Meaning |
|---|---|
| AFS-271 | 3/9 Design control — primary reference Cleveland Controls Inc Div of Unicontrol Inc |
NSN 5930-01-570-4633 is a Switch,pressure, manufactured by Unicontrol Inc. Dba Hays Cleveland, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-570-4633 has 1 manufacturer part number on file: AFS-271 (Unicontrol Inc. Dba Hays Cleveland).
Key specifications for AFS-271: Special Features: 300 VA PILOT DUTY AT 115 TO 277 VAC, 15 AMPS NONINDUCTIVE TO 277 VAC, 60 HZ VAC; Part Name Assigned by Controlling Agency: OPEN-MOUNTED ADJUSTABLE SET POINT AIR PRESSURE SENSING SWITCH; End Item Identification: 6150-01-557-1304;LOAD BANK,ELECTRICAL. 0 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.